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 storiesGreat Lakes Mid-Atlantic severe thunderstorms bring a Slight Risk September 2, 2026. Damaging wind, large hail, and tornadoes possible…
Read More ›Gulf Coast tropical storm conditions are expected Tuesday as Potential Tropical Cyclone Five moves toward the upper Texas and southwestern…
Read More ›Tropical Storm Dolly forms over the central Atlantic with 40 mph winds. Leeward Islands, Puerto Rico, and Hispaniola face heavy rain and flash…
Read More ›Plains severe thunderstorms bring a Slight Risk of large hail and damaging wind across Nebraska, South Dakota, and the Southern Appalachians…
Read More ›Hawaii Hurricane Lala is bringing 75 mph winds and up to 25 inches of rain to the Big Island, with tropical storm conditions spreading to Maui, Oahu…
Read More ›Hawaii Hurricane Lala is forecast to bring hurricane conditions to the Big Island Saturday. Heavy rain, storm surge, and life-threatening surf threaten…
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.
