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US Weather Alerts

US National Weather Service active alerts (Extreme/Severe)

Open in Ops
Healthy Live + 72h History

Feed Overview

Feed type
Live-only (Ops rolling history)
Collection cadence
5 min
History window
72h rolling / 5000-entry cap
Coverage
United States
License
Open Government Data

Current snapshot

Active Alerts
54
Extreme + Severe
Extreme
1
highest severity
Severe
53
warning grade

What this feed covers

Active Extreme and Severe alerts from the US National Weather Service. Covers tornado warnings, flash flood warnings, hurricane warnings, severe thunderstorm warnings, and similar warning-grade events. Minor advisories and watches below the Severe threshold are excluded.

Upstream API: https://api.weather.gov/alerts/active