Alert archive / Iowa / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 93, NWS Quad Cities, IA

April 15, 20264 counties in Iowa; Mercer County, Rock Island County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Apr 15, 2026, 7:51 PM CDT for 4 counties in Iowa; Mercer County, Rock Island County, Illinois. It was in force for 54 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
Apr 15, 2026, 7:51 PM CDT (00:51 UTC)
Expired
Apr 15, 2026, 8:45 PM CDT
In force
54 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Cedar County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Mercer County, IL, Rock Island County, IL

The radar

The Quad Cities radar (KDVN), 32 km from the middle of the area, began a volume at 00:52 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.

IssuedProductOfficeLasted
Apr 15, 3:40 PM CDTTornado WatchSPC6 hr

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 15, 7:00 PM CDTFlash Flood WarningDVNBuchanan, Delaware, Dubuque, Jackson, Jones, Linn4 hr
Apr 15, 7:09 PM CDTSevere Thunderstorm WarningDVNIowa, Johnson, Keokuk, Louisa, Washington66 min
Apr 15, 8:02 PM CDTTornado Warning Tornado observedDVNLouisa, Muscatine28 min
Apr 15, 8:13 PM CDTTornado WarningDVNLee47 min
Apr 15, 8:14 PM CDTFlash Flood WarningDVNJackson, Jones3 hr
Apr 15, 8:30 PM CDTTornado WarningDVNMuscatine, Scott17 min
Apr 15, 9:17 PM CDTRiver Flood WarningDVNJohnson, Washington34 hr
Apr 15, 9:26 PM CDTRiver Flood WatchDVNLouisa, Muscatine21 days
Apr 16, 10:25 AM CDTRiver Flood WarningDVNLouisa, Muscatine6 days
Apr 16, 10:27 AM CDTRiver Flood WarningDVNLouisa7 days
Apr 16, 10:27 AM CDTRiver Flood WarningDVNLouisa68 hr
Apr 16, 11:30 AM CDTRiver Flood WatchDVNDubuque, Jackson21 days
Apr 16, 11:30 AM CDTRiver Flood WarningDVNDes Moines, Louisa21 days
Apr 16, 11:30 AM CDTRiver Flood WarningDVNLouisa21 days
Apr 16, 11:30 AM CDTRiver Flood WarningDVNLouisa, Muscatine12 days
Apr 15, 7:14 PM CDTFlash Flood WarningDVNJo Daviess, Stephenson3 hr
Apr 15, 7:59 PM CDTTornado WarningDVNStephenson20 min
Apr 15, 8:24 PM CDTTornado WarningDVNMercer, Rock Island39 min
Apr 15, 10:26 PM CDTSevere Thunderstorm WarningDVNMcDonough19 min
Apr 16, 10:43 AM CDTRiver Flood WarningDVNHenry, Rock Island, Whiteside16 days
Apr 16, 10:43 AM CDTRiver Flood WarningDVNHenry, Rock Island21 days
Apr 16, 10:43 AM CDTRiver Flood WarningDVNWhiteside6 days
Apr 16, 11:30 AM CDTRiver Flood WarningDVNHancock21 days

Nearby

Severe Thunderstorm Warnings in Iowa, 2026Severe Thunderstorm Warnings in Illinois, 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.