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NWS Area Forecast Discussion API
x402
NWS Area Forecast Discussion API is a paid API for AI agents from api.maxwellinternational.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-30).
Retrieves the official National Weather Service Area Forecast Discussion (AFD) for a given Weather Forecast Office (WFO), including key messages, forecast reasoning, and full product text.
Price / call$0.005
Success—
StatusUnknown
How this service works
Latest NWS Area Forecast Discussion (forecaster reasoning, confidence, key messages, aviation) for a forecast office or the office covering a US point, split into sections; text=0 omits the raw product. From the NWS (US and territories), cached and refreshed about every 3 hours; a location not yet cached answers 404, is not charged, and is queued.
Output
Returns a structured JSON object containing the full Area Forecast Discussion product text, parsed sections with titles (e.g. KEY MESSAGES), the issuing Weather Forecast Office code, issuance timestamp, a unique product ID, and source classification. The response mirrors the official NWS AFD format with machine-readable fields.
Example use cases
Weekend weather planning for outdoor event
“What is the National Weather Service saying about this weekend's weather in the Boulder area? Pull the latest forecast discussion from the BOU office and give me the key messages.”
Meteorologist reasoning for unusual forecast
“The forecast shows highs in the 80s which seems unusual — can you fetch the official NWS area forecast discussion from the Denver weather office so I can see the meteorologist's reasoning?”
Daily weather briefing digest
“Every morning, pull the latest Area Forecast Discussion from the BOU weather forecast office and give me a summary of the key messages and any significant weather alerts mentioned.”
Technical details
Endpoint
GEThttps://api.maxwellinternational.ai/v1/weather/discussion?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need the official NWS Area Forecast Discussion text for a specific Weather Forecast Office, particularly when you want the meteorologist's technical reasoning, narrative forecast discussion, or key messages behind a forecast — rather than just raw forecast data. It is ideal for agents building weather briefings, explaining forecast rationale to users, or monitoring official NWS communications. Prefer over raw NOAA API access when you need a pre-parsed, structured response with sections and metadata already extracted.
Side effects
- Invalid or unrecognized WFO office code returns an error or empty result
- NWS upstream API unavailability may cause 502/503 errors
- Payment of 0.005 USDC required via x402 protocol; missing payment returns 402
- Discussion not yet issued for the current period may return stale or null data
- Rate limiting if too many requests are made in quick succession
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"sku": "weather.discussion",
"wfo": "BOU",
"country": "United States",
"sections": [
{
"text": "- Drier and warmer this weekend, with highs reaching into the 80s\n across th...",
"title": "KEY MESSAGES",
"period": null
}
],
"productId": "25fa07f5-da22-424f-8756-a361a7b8dbb8",
"generatedAt": "2026-09-26T07:40:20.766Z",
"productText": "\n000\nFXUS65 KBOU 260523\nAFDBOU\n\nArea Forecast Discussion\nNational Weather Ser...",
"sourceClass": "official-api",
"issuanceTime": "2026-09-26T05:23:00+00:00",
"issuingOffice": "KBOU"
}
}Tags
x402
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