Alert archive / Iowa / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 65, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 26, 2025, 7:50 PM CDT for Dubuque County, Iowa; Jo Daviess County, Illinois. It was in force for 40 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
- Jun 26, 2025, 7:50 PM CDT (00:50 UTC)
- Expired
- Jun 26, 2025, 8:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dubuque County, IA, Jo Daviess County, IL
The radar
The Quad Cities radar (KDVN), 90 km from the middle of the area, began a volume at 00:53 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, 0.8 hours before the alert went out and 89 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.
- Mixed-layer CAPE
- 574 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1646 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
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 Jun 26, 6:58 PM CDT, 52 minutes earlier.
Area forecast discussion, Jun 26, 6:58 PM CDT, 52 minutes before
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</html>Hazardous weather outlook, Jun 26, 2:31 PM CDT, 5 hours 19 minutes before
Hazardous Weather Outlook National Weather Service Quad Cities IA IL 231 PM CDT Thu Jun 26 2025 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-271945- 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- 231 PM CDT Thu Jun 26 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...THIS AFTERNOON AND TONIGHT Dangerous heat continues this afternoon into the early evening hours with peak heat indices of 95 to 105. A Heat Advisory remains in effect for much of the area. Thunderstorms should become more widespread late this afternoon through the evening hours as a line of storms moves across the area. A few severe storms are possible, with the primary threat being locally damaging wind gusts and heavy rainfall. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY Heat and humidity will continue Friday through Sunday with peak heat indices near to above 100 degrees on Sunday. Heat headlines may be needed. There is a daily risk of showers and thunderstorms Friday through Monday. Heavy rainfall could lead to a risk of flooding for some area rivers due to repeated heavy rainfall in the headwaters. River Flood Watches continue for portions of the Cedar, Iowa and Wapsipinicon Rivers. Please refer to the latest statements for details. .SPOTTER INFORMATION STATEMENT... Spotter activation is possible late this afternoon and evening. Rainfall reports over 1 inch will be appreciated. JTS
In the hours before
Special weather statement, Jun 26, 4:37 PM CDT, 3 hours 13 minutes before
Special Weather Statement
National Weather Service Quad Cities IA/IL
437 PM CDT Thu Jun 26 2025
IAZ040-051-262245-
Buchanan IA-Benton IA-
437 PM CDT Thu Jun 26 2025
...Strong thunderstorms will impact portions of Buchanan and northern
Benton Counties through 545 PM CDT...
At 436 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Fairbank to 7 miles south of Meskwaki
Casino. Movement was northeast at 40 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Strong winds could break small tree limbs and blow around
unsecured objects.
Locations impacted include...
Independence, Vinton, Jesup, Urbana, Dysart, Fairbank, Winthrop,
Hazleton, Keystone, Quasqueton, Lamont, Garrison, Brandon, Rowley,
Aurora, Mount Auburn, Stanley, Wapsipinicon Golf Course, Vinton
Memorial Airport, and Fontana County Park.
This includes Interstate 380 between mile markers 44 and 55.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northeastern and east central Iowa.
&&
LAT...LON 4264 9161 4257 9163 4204 9205 4195 9230
4230 9230 4230 9206 4264 9208
TIME...MOT...LOC 2136Z 237DEG 36KT 4261 9210 4189 9271
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
GibbsSpecial weather statement, Jun 26, 6:08 PM CDT, 1 hour 42 minutes before
Special Weather Statement
National Weather Service Quad Cities IA/IL
608 PM CDT Thu Jun 26 2025
IAZ041-052-270000-
Linn IA-Delaware IA-
608 PM CDT Thu Jun 26 2025
...Strong thunderstorms will impact portions of northern Linn and
Delaware Counties through 700 PM CDT...
At 607 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Strawberry Point to near Dundee to near
Coggon. Movement was northeast at 35 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Strong winds could break small tree limbs and blow around
unsecured objects.
Locations impacted include...
Manchester, Dyersville, Edgewood, Earlville, Delhi, Colesburg, Ryan,
Greeley, Dundee, Delaware, Masonville, Oneida, Robinson, Delaware
County Fairgrounds, Manchester Airport, Coffins Grove Park, Twin
Bridges Park, Baileys Ford Park, Petersburg, and Backbone State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northeastern and east central Iowa.
&&
LAT...LON 4238 9113 4229 9160 4264 9161 4265 9113
TIME...MOT...LOC 2307Z 241DEG 31KT 4265 9155 4258 9150 4231 9158
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
GibbsSpecial weather statement, Jun 26, 6:48 PM CDT, 1 hour 2 minutes 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 |
|---|---|---|---|---|
| Jun 26, 7:30 PM CDT | Special Weather Statement | DVN | Cedar | 60 min |
| Jun 26, 7:33 PM CDT | Special Weather Statement | DVN | Dubuque | 57 min |
| Jun 26, 8:01 PM CDT | Special Weather Statement | DVN | Keokuk | 44 min |
| Jun 26, 8:18 PM CDT | Special Weather Statement | DVN | Jefferson, Van Buren | 57 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2025Severe Thunderstorm Warnings in Illinois, 2025Every 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.