Alert archive / Iowa / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 239, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Aug 7, 2026, 7:38 PM CDT for 4 counties in Iowa. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 7, 2026, 7:38 PM CDT (00:38 UTC)
- Expired
- Aug 7, 2026, 8:45 PM CDT
- In force
- 67 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Possible
- Damage threat
- Considerable
- Hail
- 1.75 in
- Wind
- 70.0 mph
Counties Henry County, IA, Jefferson County, IA, Keokuk County, IA, Washington County, IA
The radar
The Quad Cities radar (KDVN), 116 km from the middle of the area, began a volume at 00:38 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 7, 1:40 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 7, 6:48 PM CDT, 50 minutes earlier.
Area forecast discussion, Aug 7, 6:48 PM CDT, 50 minutes before
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</html>Hazardous weather outlook, Aug 7, 6:00 AM CDT, 13 hours 38 minutes before
Hazardous Weather Outlook National Weather Service Quad Cities IA IL 600 AM CDT Fri Aug 7 2026 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-081100- Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson- Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll- Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson- Warren-Hancock-McDonough-Scotland-Clark- 600 AM CDT Fri Aug 7 2026 This Hazardous Weather Outlook is for portions of north central Illinois...northwest Illinois...west central Illinois...east central Iowa...northeast Iowa...southeast Iowa and northeast Missouri. .DAY ONE...TODAY AND TONIGHT Dense fog will reduce visibility to a quarter mile or less at times across portions of eastern Iowa and northeast Missouri through the early morning commute. Scattered thunderstorms (30% to 50% chance) are possible late this afternoon into the overnight, mainly west of the Mississippi River. Isolated severe storms with hail and strong winds is possible along with locally heavy rain. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY Another round of scattered showers and thunderstorms are possible Saturday night and Sunday. A few of these storms could turn severe with gusty winds, hail and heavy downpours. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed late this afternoon and evening.
In the hours before
Local storm report, Aug 7, 6:14 PM CDT, 1 hour 24 minutes before
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</html>Local storm report, Aug 7, 6:21 PM CDT, 1 hour 17 minutes before
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</html>Local storm report, Aug 7, 6:26 PM CDT, 1 hour 12 minutes before
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</html>Special weather statement, Aug 7, 6:30 PM CDT, 1 hour 8 minutes before
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</html>Local storm report, Aug 7, 6:32 PM CDT, 1 hour 6 minutes before
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</html>Local storm report, Aug 7, 6:37 PM CDT, 1 hour 1 minute before
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</html>The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:00 PM CDT | Severe Thunderstorm Warning | DVN | Iowa, Keokuk, Washington | 60 min |
| Aug 7, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Lee, Van Buren | 62 min |
| Aug 7, 9:07 PM CDT | Severe Thunderstorm Warning | DVN | Jefferson | 45 min |
| Aug 7, 9:28 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Lee, Van Buren | 62 min |
| Aug 7, 10:01 PM CDT | Severe Thunderstorm Warning | DVN | Lee | 74 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2026Every severe thunderstorm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.