Alert archive / Iowa / River Flood Warnings in 2025

River Flood Warning 7, NWS Des Moines, IA

June 26, 2025Cerro Gordo County, Floyd County, Worth County, Iowa

NWS Des Moines, IA issued this river flood warning at Jun 26, 2025, 9:14 PM CDT for Cerro Gordo County, Floyd County, Worth County, Iowa. It took effect at Jun 26, 2025, 10:50 PM CDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: Jun 26, 2025, 9:14 PM CDT (02:14 UTC)
In effect from: Jun 26, 2025, 10:50 PM CDT
Expired: Jun 27, 2025, 9:52 PM CDT
In force: 23 hr
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Cerro Gordo County, IA, Floyd County, IA, Worth County, IA

The radar

The Des Moines radar (KDMX), 168 km from the middle of the area, began a volume at 02:16 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 river

Written for the forecast point Winnebago River at Mason City (MCWI4). The gauge peaked at 10.35 ft at Jun 27, 2025, 10:00 AM CDT.

Action stage: 8 ft
Minor stage: 10 ft
Moderate stage: 14.5 ft
Major stage: 15.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05459500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this river flood warning went out at Jun 26, 6:56 PM CDT, 2 hours 18 minutes earlier.

Area forecast discussion, Jun 26, 6:56 PM CDT, 2 hours 18 minutes before

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Hazardous weather outlook, Jun 26, 9:39 AM CDT, 11 hours 35 minutes before

Hazardous Weather Outlook
National Weather Service Des Moines IA
939 AM CDT Thu Jun 26 2025

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-271445-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
939 AM CDT Thu Jun 26 2025

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

Showers and thunderstorms will re-develop this afternoon, with a
line of storms moving across the state through early tonight.
Scattered strong to severe storms are expected and a few
tornadoes are possible over far northeast Iowa. Heavy rainfall
will continue to be a threat this afternoon through tonight as
well. Any additional heavy rainfall will increase flooding
concerns.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Periods of thunderstorms will return this weekend into next week.
The potential for severe weather remains uncertain at this time.

Hot temperatures return Saturday and Sunday with heat indices
rising into the upper 90s to near 100F.

Significant rises are expected on many area streams. Minor to
moderate river flooding is possible into at least early next
week. The larger streams of most concern include the Iowa, Cedar,
Winnebago, Shell Rock and Raccoon Rivers.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today into tonight.

In the hours before

Local storm report, Jun 26, 4:01 PM CDT, 5 hours 13 minutes before

Preliminary Local Storm Report
National Weather Service Des Moines IA
401 PM CDT Thu Jun 26 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0215 PM     Tstm Wnd Dmg     Alden                   42.51N 93.38W
06/26/2025                   Hardin             IA   Fire Dept/Rescue

            Branches, trees, and powerlines down.
            According to Alden Fire Department.

&&

GQ/CH

Local storm report, Jun 26, 4:32 PM CDT, 4 hours 42 minutes before

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Local storm report, Jun 26, 4:49 PM CDT, 4 hours 25 minutes before

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Local storm report, Jun 26, 6:16 PM CDT, 2 hours 58 minutes before

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Local storm report, Jun 26, 6:24 PM CDT, 2 hours 50 minutes before

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The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 26, 9:59 PM CDT	River Flood Watch	DMX	Franklin, Wright	12 hr

Nearby

River Flood Warnings in Iowa, 2025 Every river flood 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; the gauge from the NWS water service and the USGS.