Alert archive / Illinois / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 108, NWS Quad Cities, IA

July 25, 2025Bureau County, Putnam County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 25, 2025, 9:07 PM CDT for Bureau County, Putnam County, Illinois. It was in force for 27 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 25, 2025, 9:07 PM CDT (02:07 UTC)
Expired: Jul 25, 2025, 9:34 PM CDT
In force: 27 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Bureau County, IL, Putnam County, IL

The radar

The Quad Cities radar (KDVN), 104 km from the middle of the area, began a volume at 02:10 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 nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.1 hours before the alert went out and 98 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 413 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 706 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

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 25, 6:52 PM CDT, 2 hours 15 minutes earlier.

Area forecast discussion, Jul 25, 6:52 PM CDT, 2 hours 15 minutes before

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Hazardous weather outlook, Jul 25, 8:42 PM CDT, 25 minutes before

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
842 PM CDT Fri Jul 25 2025

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-261100-
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-
842 PM CDT Fri Jul 25 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...TONIGHT

There is a chance for more scattered thunderstorms overnight and
into early Saturday morning. The primary threat will be
torrential rainfall and localized flash flooding. A Flood Watch
remains in effect for areas approximately along and south of
Highway 30 through Saturday evening.

There is also a Marginal Risk or level 1 of 5 risk for isolated
damaging winds, particularly south of Interstate 80.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Building heat and humidity will combine with near daily
thunderstorm chances through the middle of next week. Strong to
severe thunderstorms and heavy rainfall with a threat for
localized flooding will be possible at times. Current indications
suggests that Sunday and Monday may be the hottest days with heat
index readings potentially over 100 to near 110 degrees.

.SPOTTER INFORMATION STATEMENT...

There is a low chance that spotter activation will be needed tonight.
Also, any reports of flooding would be appreciated.

12

In the hours before

Special weather statement, Jul 25, 5:08 PM CDT, 3 hours 59 minutes before

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Local storm report, Jul 25, 5:10 PM CDT, 3 hours 57 minutes before

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Local storm report, Jul 25, 5:26 PM CDT, 3 hours 41 minutes before

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Local storm report, Jul 25, 5:35 PM CDT, 3 hours 32 minutes before

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Local storm report, Jul 25, 7:52 PM CDT, 1 hour 15 minutes before

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Local storm report, Jul 25, 7:55 PM CDT, 1 hour 12 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 26, 3:33 AM CDT	Flash Flood Warning	DVN	Des Moines, Henry, Lee, Van Buren	8 hr
Jul 26, 5:43 AM CDT	Special Weather Statement	DVN	Lee	47 min
Jul 26, 7:47 AM CDT	Flash Flood Warning	DVN	Des Moines	6 hr
Jul 26, 8:58 AM CDT	River Flood Warning	DVN	Lee	55 hr
Jul 26, 10:04 AM CDT	River Flood Watch	DVN	Des Moines, Henry, Lee	24 hr
Jul 26, 1:45 PM CDT	Heat Advisory	DVN	Benton, Cedar, Clinton, Des Moines, Henry, Iowa and 11 more	31 hr
Jul 26, 6:30 PM CDT	Special Weather Statement	DVN	Muscatine	45 min
Jul 26, 1:45 AM CDT	Special Weather Statement	DVN	Hancock	45 min
Jul 26, 7:38 AM CDT	Flash Flood Warning	DVN	Clark, Scotland	4 hr
Jul 26, 9:16 AM CDT	River Flood Warning	DVN	Clark	68 hr

Nearby

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.