Hawaii Hurricane Lowell: 155 mph Cat 4 to Turn Toward Kauai
Hawaii Hurricane Lowell regained Category 5 strength Friday with 160 mph winds, located about 600 miles south of Honolulu…
Read More ›
Live: -- active alerts
Before weather impacts reach you, you'll know.
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.
Authoritative Source
Authoritative data from the National Weather Service. iAlert delivers the weather intelligence: turning watches, warnings, and detection data into precision alerts since 2010.
- 1,011,723 Storm reports archived
- 970,188 NWS alerts archived
- 3,018,722 Alerts sent
- 16+ yrs Continuous operation
Pro Weather Analysis
WAVE: The Professional Weather Analysis Console
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.
- Level II Radar
- GOES Satellite Bands
- Model Fields
- Skew-T + Hodograph
- Video Export
Top Stories
All storiesGreat Lakes Mid-Atlantic Severe Thunderstorms: Slight Risk of Damaging Wind and Hail September 4, 2026
Great Lakes Mid-Atlantic severe thunderstorms threaten damaging wind gusts September 4, 2026. Columbus and Pittsburgh face the highest 30%…
Read More ›Great Lakes Mid-Atlantic Severe Thunderstorms: Slight Risk of Damaging Wind, Hail, and Tornadoes September 2, 2026
Great 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 Warning: Potential Tropical Cyclone Five Targets Texas and Louisiana Tuesday
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: Leeward Islands Should Monitor Progress
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: Slight Risk of Large Hail and Damaging Wind Across Nebraska, South Dakota, and the Southern Appalachians, August 17, 2026
Plains severe thunderstorms bring a Slight Risk of large hail and damaging wind across Nebraska, South Dakota, and the Southern Appalachians…
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
- HTML or plain text, every alert
- Instant to any mobile number
- Spoken alert, no app required
📞 Phone Call Alert Sample
Alert message read aloud to you:
"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."
▶ Play sample call recording