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 storiesModerate Risk flash flooding is in effect through 8 am Tuesday under WPC’s Day 1 outlook, level 3 of 4. What it means and how to stay safe…
Read More ›Big Island hurricane threat grows: Fifteen-E, 320 miles south-southeast of South Point, Hawaii, could reach Category 3 by Saturday…
Read More ›Tropical Storm Polo is rapidly intensifying 255 miles south-southeast of Manzanillo, Mexico, with 160 mph winds forecast by Wednesday…
Read More ›Nebraska Iowa severe storms Sept 14: SPC Slight Risk for eastern Nebraska and western Iowa with large hail, severe gusts, a few tornadoes…
Read More ›Tropical Storm Norbert forecast: 45 mph winds about 1,375 miles east of Hilo, Hawaii, gradual weakening, no coastal watches in effect…
Read More ›Tropical Storm Norbert holds 60 mph winds over the open East Pacific, moving west-northwest with no coastal watches or warnings in effect…
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.
