From severe weather, flooding, and winter storms to lightning detection, daily forecasts, and more, all alerts delivered by email, SMS/Text or voice call for any U.S. location.
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Authoritative data from the National Weather Service. iAlert delivers the weather intelligence: turning watches, warnings, and detection data into precision alerts since 2010.
The Weather Analysis Visualization Environment (WAVE) brings workstation-grade analysis to your browser: Level II radar with velocity and dual-pol products, GOES satellite bands, forecast model fields, Skew-T and hodograph soundings, cross-sections, and video export. Built for meteorologists, storm chasers, weather enthusiasts, and weather-critical operations.
Top Stories
All storiesMissouri Valley severe thunderstorms carry a Slight Risk August 14, with a 15% damaging wind probability and tornado potential near Des Moines…
Read More ›A Hawaii tropical storm threat is rising fast as Potential Tropical Cyclone One-C tracks toward the islands with a 90% formation chance within 48…
Read More ›Iowa Illinois severe thunderstorms carry a Slight Risk August 13, 2026. Des Moines, Cedar Rapids, Peoria, and Champaign face damaging wind…
Read More ›Plains severe thunderstorms threaten large hail and damaging wind from Iowa and Illinois to the Dakotas and Nebraska on August 12, 2026…
Read More ›Ohio Valley severe thunderstorms face an Enhanced Risk on Aug 11, 2026. Gusts of 75+ mph possible from northern Illinois to Cincinnati and…
Read More ›Colombia earthquake M7.4 struck 5 km east of San José del Palmar on August 10, 2026. ShakeMap intensity reached VII–VIII…
Read More ›Why iAlert
Former National Weather Service and NASA meteorologist. Led the NWS Watch, Warning and Advisory program for nearly 10 years.
AboutTornado, flood, winter storm, and hurricane watches and warnings delivered in real-time.
Learn moreLightning strike detection with configurable distance rings. Built for outdoor operations where timing is everything.
Learn moreAlert Delivery Options
"Hello, this is an iAlert.com weather message. Severe Thunderstorm Watch issued March 16 at 8:18PM until March 17 at 12:00AM for Washington DC. This concludes the message. Goodbye."
Deep-dive analysis of severe weather activity, alert volumes, and regional trends — published annually to help businesses and communities understand weather risk.
