Weather.gov Gridpoints API

openapi: 3.2.0
info:
  title: weather.gov Alerts Gridpoints API
  description: weather.gov API
  version: 3.8.1
  x-last-validated: '2026-05-03'
servers:
- url: https://api.weather.gov
  description: Production server
security:
- userAgent: []
- apiKeyAuth: []
tags:
- name: Gridpoints
paths:
  /gridpoints/{wfo}/{x},{y}:
    parameters:
    - $ref: '#/components/parameters/GridpointWFO'
    - $ref: '#/components/parameters/GridpointX'
    - $ref: '#/components/parameters/GridpointY'
    get:
      description: Returns raw numerical forecast data for a 2.5km grid area
      operationId: gridpoint
      parameters: []
      responses:
        '200':
          description: Gridpoint forecast data
          headers:
            X-Correlation-Id:
              $ref: '#/components/headers/CorrelationId'
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
            X-Server-Id:
              $ref: '#/components/headers/ServerId'
          content:
            application/geo+json:
              schema:
                $ref: '#/components/schemas/GridpointGeoJson'
            application/ld+json:
              schema:
                $ref: '#/components/schemas/GridpointJsonLd'
        default:
          $ref: '#/components/responses/Error'
      summary: Weather.gov Returns Raw Numerical Forecast Data for a 2.5km Grid Area
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Gridpoints
  /gridpoints/{wfo}/{x},{y}/forecast:
    parameters:
    - $ref: '#/components/parameters/GridpointWFO'
    - $ref: '#/components/parameters/GridpointX'
    - $ref: '#/components/parameters/GridpointY'
    get:
      description: Returns a textual forecast for a 2.5km grid area
      operationId: gridpoint_forecast
      parameters:
      - $ref: '#/components/parameters/GridpointForecastFeatureFlags'
        example: example-value
      - $ref: '#/components/parameters/GridpointForecastUnits'
        example: example-value
      responses:
        '200':
          $ref: '#/components/responses/Gridpoint12hForecast'
        default:
          $ref: '#/components/responses/Error'
      summary: Weather.gov Returns a Textual Forecast for a 2.5km Grid Area
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Gridpoints
  /gridpoints/{wfo}/{x},{y}/forecast/hourly:
    parameters:
    - $ref: '#/components/parameters/GridpointWFO'
    - $ref: '#/components/parameters/GridpointX'
    - $ref: '#/components/parameters/GridpointY'
    get:
      description: Returns a textual hourly forecast for a 2.5km grid area
      operationId: gridpoint_forecast_hourly
      parameters:
      - $ref: '#/components/parameters/GridpointForecastFeatureFlags'
        example: example-value
      - $ref: '#/components/parameters/GridpointForecastUnits'
        example: example-value
      responses:
        '200':
          $ref: '#/components/responses/GridpointHourlyForecast'
        default:
          $ref: '#/components/responses/Error'
      summary: Weather.gov Returns a Textual Hourly Forecast for a 2.5km Grid Area
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Gridpoints
  /gridpoints/{wfo}/{x},{y}/stations:
    parameters:
    - $ref: '#/components/parameters/GridpointWFO'
    - $ref: '#/components/parameters/GridpointX'
    - $ref: '#/components/parameters/GridpointY'
    - $ref: '#/components/parameters/Limit'
    get:
      description: Returns a list of observation stations usable for a given 2.5km grid area
      operationId: gridpoint_stations
      responses:
        '200':
          $ref: '#/components/responses/ObservationStationCollection'
        default:
          $ref: '#/components/responses/Error'
      parameters: []
      summary: Weather.gov Returns a List of Observation Stations Usable for a Given 2.5km Grid Area
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
      tags:
      - Gridpoints
components:
  headers:
    RequestId:
      description: 'A unique identifier for the request, used for NWS debugging purposes. Please include this identifier with any correspondence to help us investigate your issue.

        '
      schema:
        type: string
    CorrelationId:
      description: 'A unique identifier for the request, used for NWS debugging purposes. Please include this identifier with any correspondence to help us investigate your issue.

        '
      schema:
        type: string
    ServerId:
      description: 'The identifier of the server that generated the response, used for NWS debugging purposes. Please include this identifier with any correspondence to help us investigate your issue.

        '
      schema:
        type: string
  schemas:
    GeoJsonFeature:
      required:
      - type
      - geometry
      - properties
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        id:
          type: string
          format: uri
        type:
          enum:
          - Feature
          type: string
        geometry:
          $ref: '#/components/schemas/GeoJsonGeometry'
        properties:
          type: object
      description: A GeoJSON feature. Please refer to IETF RFC 7946 for information on the GeoJSON format.
      additionalProperties: false
    GeoJsonBoundingBox:
      minItems: 4
      type: array
      items:
        type: number
      description: A GeoJSON bounding box. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    Gridpoint12hForecastPeriod:
      type: object
      properties:
        number:
          minimum: 1
          type: integer
          description: Sequential period number.
        name:
          type: string
          description: 'A textual identifier for the period. This value will not be present for hourly forecasts.

            '
          examples:
          - Tuesday Night
        startTime:
          type: string
          description: The starting time that this forecast period is valid for.
          format: date-time
        endTime:
          type: string
          description: The ending time that this forecast period is valid for.
          format: date-time
        isDaytime:
          type: boolean
          description: Indicates whether this period is daytime or nighttime.
        temperature:
          oneOf:
          - $ref: '#/components/schemas/QuantitativeValue'
          - type: integer
          description: 'High/low temperature for the period, depending on whether the period is day or night.

            This property as an integer value is deprecated. Future versions will express this value as a quantitative value object. To make use of the future standard format now, set the "forecast_temperature_qv" feature flag on the request.

            '
        temperatureUnit:
          enum:
          - F
          - C
          type: string
          description: 'The unit of the temperature value (Fahrenheit or Celsius).

            This property is deprecated. Future versions will indicate the unit within the quantitative value object for the temperature property. To make use of the future standard format now, set the "forecast_temperature_qv" feature flag on the request.

            '
          deprecated: true
        temperatureTrend:
          enum:
          - rising
          - falling
          type:
          - string
          - 'null'
          description: 'If not null, indicates a non-diurnal temperature trend for the period (either rising temperature overnight, or falling temperature during the day)

            '
        probabilityOfPrecipitation:
          $ref: '#/components/schemas/QuantitativeValue'
          description: Probability of precipitation for the period.
        windSpeed:
          oneOf:
          - $ref: '#/components/schemas/QuantitativeValue'
          - type: string
          description: 'Wind speed for the period.

            This property as an string value is deprecated. Future versions will express this value as a quantitative value object. To make use of the future standard format now, set the "forecast_wind_speed_qv" feature flag on the request.

            '
        windGust:
          oneOf:
          - $ref: '#/components/schemas/QuantitativeValue'
          - type: string
          - type: 'null'
          description: 'Peak wind gust for the period.

            This property as an string value is deprecated. Future versions will express this value as a quantitative value object. To make use of the future standard format now, set the "forecast_wind_speed_qv" feature flag on the request.

            '
        windDirection:
          enum:
          - N
          - NNE
          - NE
          - ENE
          - E
          - ESE
          - SE
          - SSE
          - S
          - SSW
          - SW
          - WSW
          - W
          - WNW
          - NW
          - NNW
          type: string
          description: The prevailing direction of the wind for the period, using a 16-point compass.
        icon:
          type: string
          description: A link to an icon representing the forecast summary.
          format: uri
          deprecated: true
        shortForecast:
          type: string
          description: A brief textual forecast summary for the period.
        detailedForecast:
          type: string
          description: A detailed textual forecast for the period.
      description: 'An object containing forecast information for a specific time period (generally 12-hour or 1-hour).

        '
      additionalProperties: false
    ObservationStationCollectionGeoJson:
      allOf:
      - $ref: '#/components/schemas/GeoJsonFeatureCollection'
      - type: object
        properties:
          features:
            type: array
            items:
              type: object
              properties:
                properties:
                  $ref: '#/components/schemas/ObservationStation'
          observationStations:
            type: array
            items:
              type: string
              format: uri
          pagination:
            $ref: '#/components/schemas/PaginationInfo'
    Gridpoint12hForecastGeoJson:
      allOf:
      - $ref: '#/components/schemas/GeoJsonFeature'
      - type: object
        properties:
          properties:
            $ref: '#/components/schemas/Gridpoint12hForecast'
    PaginationInfo:
      required:
      - next
      type: object
      properties:
        next:
          type: string
          description: A link to the next page of records
          format: uri
      description: Links for retrieving more data from paged data sets
      additionalProperties: false
    Gridpoint12hForecastJsonLd:
      allOf:
      - $ref: '#/components/schemas/Gridpoint12hForecast'
      - required:
        - '@context'
        - geometry
        type: object
        properties:
          '@context':
            $ref: '#/components/schemas/JsonLdContext'
          geometry:
            $ref: '#/components/schemas/GeometryString'
    GeoJsonCoordinate:
      minItems: 2
      type: array
      items:
        type: number
      description: A GeoJSON coordinate. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    GridpointQuantitativeValueLayer:
      required:
      - values
      type: object
      properties:
        uom:
          $ref: '#/components/schemas/UnitOfMeasure'
        values:
          type: array
          items:
            required:
            - validTime
            - value
            type: object
            properties:
              validTime:
                $ref: '#/components/schemas/ISO8601Interval'
              value:
                type:
                - number
                - 'null'
            additionalProperties: false
      description: 'A gridpoint layer consisting of quantitative values (numeric values with associated units of measure).

        '
    GridpointGeoJson:
      allOf:
      - $ref: '#/components/schemas/GeoJsonFeature'
      - type: object
        properties:
          properties:
            $ref: '#/components/schemas/Gridpoint'
    GeoJsonFeatureCollection:
      required:
      - type
      - features
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        type:
          enum:
          - FeatureCollection
          type: string
        features:
          type: array
          items:
            $ref: '#/components/schemas/GeoJsonFeature'
      description: A GeoJSON feature collection. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    GeoJsonPolygon:
      type: array
      items:
        minItems: 4
        type: array
        items:
          $ref: '#/components/schemas/GeoJsonCoordinate'
      description: A GeoJSON polygon. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    GeometryString:
      type:
      - string
      - 'null'
      description: A geometry represented in Well-Known Text (WKT) format.
      format: wkt
    GridpointJsonLd:
      $ref: '#/components/schemas/Gridpoint'
    ISO8601Interval:
      oneOf:
      - pattern: ^(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(Z|[+-]\d{2}:?\d{2}?)|NOW)\/(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(Z|[+-]\d{2}:?\d{2}?)|NOW)$
        type: string
        examples:
        - 2007-03-01T13:00:00Z/2008-05-11T15:30:00Z
      - pattern: ^(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(Z|[+-]\d{2}:?\d{2}?)|NOW)\/P(\d+Y)?(\d+M)?(\d+D)?(T(\d+H)?(\d+M)?(\d+S)?)?$
        type: string
        examples:
        - 2007-03-01T13:00:00Z/P1Y2M10DT2H30M
      - pattern: ^P(\d+Y)?(\d+M)?(\d+D)?(T(\d+H)?(\d+M)?(\d+S)?)?\/(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(Z|[+-]\d{2}:?\d{2}?)|NOW)$
        type: string
        examples:
        - P1Y2M10DT2H30M/2008-05-11T15:30:00Z
      description: "A time interval in ISO 8601 format. This can be one of:\n\n    1. Start and end time\n    2. Start time and duration\n    3. Duration and end time\nThe string \"NOW\" can also be used in place of a start/end time.\n"
    GeoJsonGeometry:
      oneOf:
      - title: GeoJSON Point
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - Point
            type: string
          coordinates:
            $ref: '#/components/schemas/GeoJsonCoordinate'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON LineString
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - LineString
            type: string
          coordinates:
            $ref: '#/components/schemas/GeoJsonLineString'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON Polygon
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - Polygon
            type: string
          coordinates:
            $ref: '#/components/schemas/GeoJsonPolygon'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON MultiPoint
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - MultiPoint
            type: string
          coordinates:
            type: array
            items:
              $ref: '#/components/schemas/GeoJsonCoordinate'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON MultiLineString
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - MultiLineString
            type: string
          coordinates:
            type: array
            items:
              $ref: '#/components/schemas/GeoJsonLineString'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - title: GeoJSON MultiPolygon
        required:
        - type
        - coordinates
        type: object
        properties:
          type:
            enum:
            - MultiPolygon
            type: string
          coordinates:
            type: array
            items:
              $ref: '#/components/schemas/GeoJsonPolygon'
          bbox:
            $ref: '#/components/schemas/GeoJsonBoundingBox'
      - type: 'null'
      description: A GeoJSON geometry object. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    ProblemDetail:
      required:
      - type
      - title
      - status
      - detail
      - instance
      - correlationId
      type: object
      properties:
        type:
          type: string
          description: 'A URI reference (RFC 3986) that identifies the problem type. This is only an identifier and is not necessarily a resolvable URL.

            '
          format: uri
          default: about:blank
          examples:
          - urn:noaa:nws:api:UnexpectedProblem
        title:
          type: string
          description: A short, human-readable summary of the problem type.
          examples:
          - Unexpected Problem
        status:
          maximum: 999
          minimum: 100
          type: number
          description: 'The HTTP status code (RFC 7231, Section 6) generated by the origin server for this occurrence of the problem.

            '
          examples:
          - 500
        detail:
          type: string
          description: A human-readable explanation specific to this occurrence of the problem.
          examples:
          - An unexpected problem has occurred.
        instance:
          type: string
          description: 'A URI reference (RFC 3986) that identifies the specific occurrence of the problem. This is only an identifier and is not necessarily a resolvable URL.

            '
          format: uri
          examples:
          - urn:noaa:nws:api:request:493c3a1d-f87e-407f-ae2c-24483f5aab63
        correlationId:
          type: string
          description: 'A unique identifier for the request, used for NWS debugging purposes. Please include this identifier with any correspondence to help us investigate your issue.

            '
          examples:
          - 493c3a1d-f87e-407f-ae2c-24483f5aab63
      description: Detail about an error. This document conforms to RFC 7807 (Problem Details for HTTP APIs).
      additionalProperties: true
    GridpointForecastUnits:
      enum:
      - us
      - si
      type: string
      description: Denotes the units used in the textual portions of the forecast.
      default: us
    NWSForecastOfficeId:
      enum:
      - AKQ
      - ALY
      - BGM
      - BOX
      - BTV
      - BUF
      - CAE
      - CAR
      - CHS
      - CLE
      - CTP
      - GSP
      - GYX
      - ILM
      - ILN
      - LWX
      - MHX
      - OKX
      - PBZ
      - PHI
      - RAH
      - RLX
      - RNK
      - ABQ
      - AMA
      - BMX
      - BRO
      - CRP
      - EPZ
      - EWX
      - FFC
      - FWD
      - HGX
      - HUN
      - JAN
      - JAX
      - KEY
      - LCH
      - LIX
      - LUB
      - LZK
      - MAF
      - MEG
      - MFL
      - MLB
      - MOB
      - MRX
      - OHX
      - OUN
      - SHV
      - SJT
      - SJU
      - TAE
      - TBW
      - TSA
      - ABR
      - APX
      - ARX
      - BIS
      - BOU
      - CYS
      - DDC
      - DLH
      - DMX
      - DTX
      - DVN
      - EAX
      - FGF
      - FSD
      - GID
      - GJT
      - GLD
      - GRB
      - GRR
      - ICT
      - ILX
      - IND
      - IWX
      - JKL
      - LBF
      - LMK
      - LOT
      - LSX
      - MKX
      - MPX
      - MQT
      - OAX
      - PAH
      - PUB
      - RIW
      - SGF
      - TOP
      - UNR
      - BOI
      - BYZ
      - EKA
      - FGZ
      - GGW
      - HNX
      - LKN
      - LOX
      - MFR
      - MSO
      - MTR
      - OTX
      - PDT
      - PIH
      - PQR
      - PSR
      - REV
      - SEW
      - SGX
      - SLC
      - STO
      - TFX
      - TWC
      - VEF
      - AER
      - AFC
      - AFG
      - AJK
      - ALU
      - GUM
      - HPA
      - HFO
      - PPG
      - PQE
      - PQW
      - STU
      - NH1
      - NH2
      - ONA
      - ONP
      type: string
      description: Three-letter identifier for a NWS office.
    GridpointHourlyForecast:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        geometry:
          $ref: '#/components/schemas/GeometryString'
        units:
          $ref: '#/components/schemas/GridpointForecastUnits'
        forecastGenerator:
          type: string
          description: The internal generator class used to create the forecast text (used for NWS debugging).
        generatedAt:
          type: string
          description: The time this forecast data was generated.
          format: date-time
        updateTime:
          type: string
          description: The last update time of the data this forecast was generated from.
          format: date-time
        validTimes:
          $ref: '#/components/schemas/ISO8601Interval'
        elevation:
          $ref: '#/components/schemas/QuantitativeValue'
        periods:
          type: array
          items:
            $ref: '#/components/schemas/GridpointHourlyForecastPeriod'
          description: An array of forecast periods.
      description: An hourly forecast for a 2.5km grid square.
      additionalProperties: false
    GridpointHourlyForecastGeoJson:
      allOf:
      - $ref: '#/components/schemas/GeoJsonFeature'
      - type: object
        properties:
          properties:
            $ref: '#/components/schemas/GridpointHourlyForecast'
    GeoJsonLineString:
      minItems: 2
      type: array
      items:
        $ref: '#/components/schemas/GeoJsonCoordinate'
      description: A GeoJSON line string. Please refer to IETF RFC 7946 for information on the GeoJSON format.
    JsonLdContext:
      anyOf:
      - type: array
        items: {}
      - type: object
    ObservationStation:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        geometry:
          $ref: '#/components/schemas/GeometryString'
        '@id':
          type: string
          format: uri
        '@type':
          enum:
          - wx:ObservationStation
          type: string
        elevation:
          $ref: '#/components/schemas/QuantitativeValue'
        stationIdentifier:
          type: string
        name:
          type: string
        timeZone:
          type: string
          format: iana-time-zone-identifier
        provider:
          type: string
          description: The data provider for this station. E.g., "ASOS," "MesoWest," etc.
        subProvider:
          type: string
          description: The sub-provider of for this station. E.g., "FAA," "DOT," etc.
        forecast:
          type: string
          description: A link to the NWS public forecast zone containing this station.
          format: uri
        county:
          type: string
          description: A link to the NWS county zone containing this station.
          format: uri
        fireWeatherZone:
          type: string
          description: A link to the NWS fire weather forecast zone containing this station.
          format: uri
        distance:
          $ref: '#/components/schemas/QuantitativeValue'
        bearing:
          $ref: '#/components/schemas/QuantitativeValue'
      additionalProperties: false
    GridpointHourlyForecastPeriod:
      type: object
      properties:
        number:
          minimum: 1
          type: integer
          description: Sequential period number.
        name:
          type: string
          description: 'A textual identifier for the period. This value will not be present for hourly forecasts.

            '
          examples:
          - Tuesday Night
        startTime:
          type: string
          description: The starting time that this forecast period is valid for.
          format: date-time
        endTime:
          type: string
          description: The ending time that this forecast period is valid for.
          format: date-time
        isDaytime:
          type: boolean
          description: Indicates whether this period is daytime or nighttime.
        temperature:
          oneOf:
          - $ref: '#/components/schemas/QuantitativeValue'
          - type: integer
          description: 'High/low temperature for the period, depending on whether the period is day or night.

            This property as an integer value is deprecated. Future versions will express this value as a quantitative value object. To make use of the future standard format now, set the "forecast_temperature_qv" feature flag on the request.

            '
        temperatureUnit:
          enum:
          - F
          - C
          type: string
          description: 'The unit of the temperature value (Fahrenheit or Celsius).

            This property is deprecated. Future versions will indicate the unit within the quantitative value object for the temperature property. To make use of the future standard format now, set the "forecast_temperature_qv" feature flag on the request.

            '
          deprecated: true
        temperatureTrend:
          enum:
          - rising
          - falling
          type:
          - string
          - 'null'
          description: 'If not null, indicates a non-diurnal temperature trend for the period (either rising temperature overnight, or falling temperature during the day)

            '
        probabilityOfPrecipitation:
          $ref: '#/components/schemas/QuantitativeValue'
          description: Probability of precipitation for the period.
        dewpoint:
          $ref: '#/components/schemas/QuantitativeValue'
          description: 'Dewpoint. Only provided in hourly forecasts.

            '
        relativeHumidity:
          $ref: '#/components/schemas/QuantitativeValue'
          description: 'Relative humidity. Only provided in hourly forecasts.

            '
        windSpeed:
          oneOf:
          - $ref: '#/components/schemas/QuantitativeValue'
          - type: string
          description: 'Wind speed for the period.

            This property as an string value is deprecated. Future versions will express this value as a quantitative value object. To make use of the future standard format now, set the "forecast_wind_speed_qv" feature flag on the request.

            '
        windGust:
          oneOf:
          - $ref: '#/components/schemas/QuantitativeValue'
          - type: string
          - type: 'null'
          description: 'Peak wind gust for the period.

            This property as an string value is deprecated. Future versions will express this value as a quantitative value object. To make use of the future standard format now, set the "forecast_wind_speed_qv" feature flag on the request.

            '
        windDirection:
          enum:
          - N
          - NNE
          - NE
          - ENE
          - E
          - ESE
          - SE
          - SSE
          - S
          - SSW
          - SW
          - WSW
          - W
          - WNW
          - NW
          - NNW
          type: string
          description: The prevailing direction of the wind for the period, using a 16-point compass.
        icon:
          type: string
          description: A link to an icon representing the forecast summary.
          format: uri
          deprecated: true
        shortForecast:
          type: string
          description: A brief textual forecast summary for the period.
        detailedForecast:
          type: string
          description: A detailed textual forecast for the period.
      description: 'An object containing forecast information for a specific time period (generally 12-hour or 1-hour).

        '
      additionalProperties: false
    QuantitativeValue:
      type: object
      properties:
        value:
          type:
          - number
          - 'null'
          description: A measured value
        maxValue:
          type: number
          description: The maximum value of a range of measured values
        minValue:
          type: number
          description: The minimum value of a range of measured values
        unitCode:
          $ref: '#/components/schemas/UnitOfMeasure'
        qualityControl:
          enum:
          - Z
          - C
          - S
          - V
          - X
          - Q
          - G
          - B
          - T
          type: string
          description: 'For values in observation records, the quality control flag from the MADIS system. The definitions of these flags can be found at https://madis.ncep.noaa.gov/madis_sfc_qc_notes.shtml

            '
      description: 'A structured value representing a measurement and its unit of measure. This object is a slightly modified version of the schema.org definition at https://schema.org/QuantitativeValue

        '
      additionalProperties: false
    Gridpoint:
      type: object
      properties:
        '@context':
          $ref: '#/components/schemas/JsonLdContext'
        geometry:
          $ref: '#/components/schemas/GeometryString'
        '@id':
          type: string
          format: uri
        '@type':
          enum:
          - wx:Gridpoint
          type: string
        updateTime:
          type: string
          format: date-time
        validTimes:
          $ref: '#/components/schemas/ISO8601Interval'
        elevation:
          $ref: '#/components/schemas/QuantitativeValue'
        forecastOffice:
          type: string
          format: uri
        gridId:
          type: string
        gridX:
          minimum: 0
          type: integer
        gridY:
          minimum: 0
          type: integer
        weather:
          required:
          - values
          type: object
          properties:
            values:
              type: array
              items:
                required:
                - validTime
                - value
                type: object
                properties:
                  validTime:
                    $ref: '#/components/schemas/ISO8601Interval'
                  value:
                    type: array
                    items:
                      required:
                      - coverage
                      - weather
                      - intensity
                      - visibility
                      - attributes
                      type: object
                      properties:
                        coverage:
                          enum:
                          - areas
                          - brief
                          - chance
                          - definite
                          - few
                          - frequent
                          - intermittent
                          - isolated
                          - likely
                          - numerous
                          - occasional
                          - patchy
                          - periods
                          - scattered
                          - slight_chance
                          - widespread
                          type:
                          - string
                          - 'null'
                        weather:
                          enum:
                          - blowing_dust
                          - blowing_sand
                          - blowing_snow
                          - drizzle
                          - fog
                          - freezing_fog
                          - freezing_drizzle
                          - freezing_rain
                          - freezing_spray
                          - frost
                          - hail
                          - haze
                          - ice_crystals
                          - ice_fog
                          - rain
                          - rain_showers
                          - sleet
                          - smoke
                          - snow
                          - snow_showers
                          - thunderstorms
                          - volcanic_ash
                          - water_spouts
                          type:
                          - string
                          - 'null'
                        intensity:
                          enum:
    

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# Full source: https://raw.githubusercontent.com/api-evangelist/weather-gov/refs/heads/main/openapi/weather-gov-gridpoints-api-openapi.yml