Severe Severe Storm ● Closed

Severe Thunderstorm Warning — Henderson, IL; Des Moines, IA; Henry, IA; Lee, IA

Event time: Last updated: Aug 21, 2026 United States
Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

Severe Thunderstorm Warning issued August 12 at 7:43AM CDT until August 12 at 8:30AM CDT by NWS Quad Cities IA IL

Measurements

Coordinates40.8650, -91.2033
RegionHenderson, IL; Des Moines, IA; Henry, IA; Lee, IA
Expires2026-08-12T08:30:00-05:00
Nws UrgencyImmediate
Nws CertaintyObserved

Official source

Weather alert data courtesy of NOAA / National Weather Service

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by US National Weather Service.

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This event as JSON · API and licence

Source updated 68 days ago (Aug 12, 2026 12:44 UTC) · we last heard from US National Weather Service 1 minute ago

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