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 storiesHawaii 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 ›Indonesia earthquake M7.7 struck near Ende on August 14, 2026. About 1.5 million people felt strong to severe shaking. Casualty and damage risk…
Read More ›Hawaii tropical storm Lala is approaching the Big Island with 60 mph winds and a Hurricane Warning in effect. Life-threatening flooding and surf…
Read More ›Missouri 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 ›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.
