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.
Top Stories
All storiesMidwest severe thunderstorms triggered a major outbreak June 11, 2026, with tornadoes, hurricane-force winds, baseball-size hail, and over 400,000 power outages…
Read More ›The 2026 Atlantic hurricane season forecast is below-normal, but that’s not a reason to relax. NOAA released its 2026 Atlantic hurricane season forecast on May 21, giving the season a 55% chance of being below normal, a 35% chance of near normal, and…
Read More ›Each year, iAlert publishes an annual severe weather report covering storm activity across the United States. The reports draw from iAlert’s national storm report database, including spotter reports, sensor data, and official severe weather records from sources including the National Weather Service, to…
Read More ›Example Outlook Below Severe weather outlooks, also commonly referred to as convective outlooks, are issued daily by the National Weather Service Storm Prediction Center in both text and graphic form. iAlert hosts the severe weather outlook graphics which you can access by clicking…
Read More ›Looking at the clouds it may appear there are endless cloud types, however you may be surprised to know there are really only 4 core types.? From his Essay of the Modifications of Clouds (1803) Luke Howard divided clouds into three categories; cirrus…
Read More ›Two decades before the American Revolutionary War, noted inventor and scientist Benjamin Franklin had a strong curiosity when it came to the incredibly destructive force of lightning. Franklin is known for inventing one of the first lightning rods, which he used to prevent…
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.
