US Weather Forecast & Alerts by NWS - No API key
Pricing
$1.00 / 1,000 forecast records
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US Weather Forecast & Alerts by NWS - No API key
Official National Weather Service US forecasts and active alerts - no key. Forecast periods (temp, wind, humidity) and alerts (watches, warnings) with severity. Safety, logistics, severe-weather monitoring.
US Weather Forecast & Alerts by NWS
Fetch official National Weather Service forecasts and active weather alerts for any US location — no API key required.
Input US cities ("New York, NY") or coordinates, optionally plus state codes for active alerts. Each place gets its NWS daily forecast (periods) and hourly forecast.
What you get
- Daily forecast periods from NWS — temperature, wind, short/detailed forecast, day/night
- Hourly forecast (optional) — per-hour temperature, wind, short forecast
- Active alerts per US state — event type, severity, area, instructions, effective/expires
Why it
- Official US NWS data — the authoritative weather source
- No API key, no login
- Use cases: safety monitoring, logistics, agriculture, event planning, dashboards, AI agents
Input
| Field | Type | Description |
|---|---|---|
| places | array | US cities ("Chicago, IL") or "lat,lon" |
| states | array | State codes for active alerts ("IL", "CA") |
| includeHourly | boolean | Hourly forecast (default true) |
Example output
{"name": "New York","forecast": [ { "name": "Today", "temperature": 72, "shortForecast": "Sunny" } ],"alerts": [ { "state": "NY", "event": "Flood Watch", "severity": "Moderate" } ]}
Fair use
Data from the National Weather Service (api.weather.gov), public domain. Respects NWS fair-use & rate limits.