Alert archive / Iowa / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 121, NWS Quad Cities, IA

July 30, 20257 counties in Iowa; Rock Island County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 30, 2025, 3:06 AM CDT for 7 counties in Iowa; 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: Jul 30, 2025, 3:06 AM CDT (08:06 UTC)
Expired: Jul 30, 2025, 4:00 AM CDT
In force: 54 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cedar County, IA, Clinton County, IA, Dubuque County, IA, Jackson County, IA, Jones County, IA, Linn County, IA, Scott County, IA, Rock Island County, IL

The radar

The Quad Cities radar (KDVN), 45 km from the middle of the area, began a volume at 08:05 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.

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 Jul 30, 2:24 AM CDT, 42 minutes earlier.

Area forecast discussion, Jul 30, 2:24 AM CDT, 42 minutes before

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Hazardous weather outlook, Jul 30, 3:06 AM CDT, 0 minutes before

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
306 AM CDT Wed Jul 30 2025

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-310815-
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-
306 AM CDT Wed Jul 30 2025

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

Thunderstorms will be seen today and tonight that will be capable
of producing heavy rainfall. The humid conditions will continue
into tonight.

The Storm Prediction Center has a marginal, level 1 out of 5, risk
of severe storms today into this evening. The primary risk will be
damaging winds.

Several area rivers are or will be experiencing flooding. Please
see the latest Flood Statements and Flood Warnings for details.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Thunderstorms will be possible south of Interstate 80 Thursday
morning but no severe storms are expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today into this evening.

In the hours before

Special weather statement, Jul 30, 2:14 AM CDT, 52 minutes before

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Local storm report, Jul 30, 2:19 AM CDT, 47 minutes before

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Local storm report, Jul 30, 2:27 AM CDT, 39 minutes before

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Local storm report, Jul 30, 2:33 AM CDT, 33 minutes before

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Special weather statement, Jul 30, 2:39 AM CDT, 27 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 7:33 PM CDT	River Flood Warning	DVN	Keokuk	5 days
Jul 29, 7:34 PM CDT	River Flood Watch	DVN	Des Moines, Henry, Lee	14 hr
Jul 29, 8:35 PM CDT	River Flood Watch	DVN	Johnson, Louisa, Washington	5 days
Jul 29, 8:35 PM CDT	River Flood Watch	DVN	Louisa	21 days
Jul 29, 9:04 PM CDT	River Flood Warning	DVN	Johnson, Washington	4 days
Jul 30, 1:15 AM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan	60 min
Jul 30, 2:06 AM CDT	Severe Thunderstorm Warning	DVN	Buchanan, Delaware	54 min
Jul 30, 2:14 AM CDT	Special Weather Statement	DVN	Benton, Linn	46 min
Jul 30, 2:27 AM CDT	Flood Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	11 hr
Jul 30, 2:39 AM CDT	Special Weather Statement	DVN	Jones	51 min
Jul 30, 3:57 AM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson, Scott	39 min
Jul 30, 4:11 AM CDT	Special Weather Statement	DVN	Muscatine	49 min
Jul 30, 4:57 AM CDT	Special Weather Statement	DVN	Iowa, Keokuk	48 min
Jul 30, 5:48 AM CDT	Special Weather Statement	DVN	Keokuk, Washington	27 min
Jul 30, 6:22 AM CDT	Special Weather Statement	DVN	Cedar, Johnson, Muscatine	23 min
Jul 30, 6:45 AM CDT	Special Weather Statement	DVN	Cedar, Muscatine, Scott	45 min
Jul 30, 7:01 AM CDT	River Flood Warning	DVN	Linn	7 days
Jul 30, 7:18 AM CDT	Special Weather Statement	DVN	Clinton	57 min
Jul 30, 7:33 AM CDT	Special Weather Statement	DVN	Lee	57 min
Jul 30, 7:50 AM CDT	Severe Thunderstorm Warning	DVN	Lee	40 min
Jul 30, 9:54 AM CDT	River Flood Warning	DVN	Des Moines, Henry, Lee	5 days
Jul 30, 9:57 AM CDT	River Flood Warning	DVN	Clinton, Scott	10 days
Jul 30, 10:00 AM CDT	River Flood Watch	DVN	Cedar, Jones, Linn	59 hr
Jul 30, 10:42 AM CDT	River Flood Warning	DVN	Louisa, Muscatine	21 days
Jul 30, 10:42 AM CDT	River Flood Warning	DVN	Johnson, Louisa, Washington	5 days
Jul 30, 10:42 AM CDT	River Flood Warning	DVN	Louisa	9 days
Jul 30, 10:42 AM CDT	River Flood Warning	DVN	Louisa	10 days
Jul 30, 10:48 AM CDT	River Flood Watch	DVN	Linn	23 hr
Jul 30, 10:48 AM CDT	River Flood Watch	DVN	Cedar, Johnson, Muscatine	6 days
Jul 30, 11:14 AM CDT	River Flood Watch	DVN	Des Moines, Lee	7 days
Jul 30, 11:14 AM CDT	River Flood Watch	DVN	Des Moines	21 days
Jul 30, 11:14 AM CDT	River Flood Watch	DVN	Des Moines, Louisa	7 days
Jul 30, 3:52 AM CDT	Special Weather Statement	DVN	Jo Daviess	38 min
Jul 30, 4:35 AM CDT	Special Weather Statement	DVN	Henry, Mercer, Warren, Whiteside	40 min
Jul 30, 4:39 AM CDT	Special Weather Statement	DVN	Carroll, Jo Daviess, Stephenson	66 min
Jul 30, 11:14 AM CDT	River Flood Warning	DVN	Hancock	11 hr

Nearby

Severe Thunderstorm Warnings in Iowa, 2025 Severe Thunderstorm Warnings in Illinois, 2025 Every severe thunderstorm warning in 2025

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.