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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.

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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

Top Stories

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Ozarks Severe Weather Threat: SPC Issues Slight Risk for June 26, 2026

Ozarks severe weather is possible June 26, 2026. SPC issues a Slight Risk for the Ozark Plateau into the lower Ohio Valley and northern Rockies…

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iAlert Launches a New Web Interface and Weather Analysis Tools

iAlert’s new web interface brings its weather analysis tools into one faster, cleaner place: live radar, satellite imagery, model data, hurricane tracking, storm reports, and much more. Whether you are on a desktop or your phone, the redesign makes it quicker to check…

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Kansas Oklahoma Severe Weather: Tornado Watch Possible Thursday Afternoon

Kansas Oklahoma severe weather threatens all hazards Thursday, June 25, 2026, with a 60% chance of a tornado watch and 75 mph wind gusts possible…

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Redwood Valley Earthquake: M5.6 Strikes Northern California With Yellow Alert

A Redwood Valley earthquake measuring M5.6 struck northern California on June 24, 2026, triggering a USGS Yellow Alert and ShakeMap intensity VII…

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Severe Weather June 24, 2026: SPC Issues Enhanced Risk Outlook

Severe weather June 24, 2026 is highlighted in a new SPC Day 1 Convective Outlook, with an Enhanced Risk at level 3 of 5 across multiple U.S. zones…

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Severe Thunderstorms June 23: SPC Issues Enhanced Risk Outlook

Severe thunderstorms June 23 face an Enhanced Risk outlook from NOAA’s SPC. Here’s what the level 3 of 5 rating means and how to stay safe…

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Why iAlert

Mark McInerney

Founder

Mark McInerney

Former National Weather Service and NASA meteorologist. Led the NWS Watch, Warning and Advisory program for nearly 10 years.

About

Alert Service

Severe Weather Alerts

Tornado, flood, winter storm, and hurricane watches and warnings delivered in real-time.

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Alert Service

Lightning Detection Alerts

Lightning strike detection with configurable distance rings. Built for outdoor operations where timing is everything.

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Alert Delivery Options

  • Email
    HTML or plain text, every alert
  • SMS / Text
    Instant to any mobile number
  • Voice Call
    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
📊 Weather Intelligence

Annual Weather & Alert Reports

Deep-dive analysis of severe weather activity, alert volumes, and regional trends — published annually to help businesses and communities understand weather risk.

7Annual Reports
1M+Storm Events
9,600+Tornadoes Documented
View Reports ›