Severe weather alert center

Every alert below is an official product of the issuing agency, shown with its original classification. WeatherSignal adds a deterministic priority score so the most urgent items sort first — it never changes the meaning of the official warning.

Alert coverage is currently limited to the United States (NOAA / National Weather Service, public domain). If the alert source is unreachable, alert data may be delayed — the freshness stamp above always shows when WeatherSignal last confirmed it. Never rely solely on WeatherSignal during an emergency; follow instructions from official authorities.