Alert archive / Iowa / Flood Watches in 2025

Flood Watch 3, NWS Des Moines, IA

July 19, 202533 counties in Iowa

NWS Des Moines, IA issued this flood watch at Jul 19, 2025, 2:48 PM CDT for 33 counties in Iowa. It took effect at Jul 19, 2025, 7:00 PM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 2025, 2:48 PM CDT (19:48 UTC)
In effect from
Jul 19, 2025, 7:00 PM CDT
Expired
Jul 20, 2025, 8:39 AM CDT
In force
14 hr
Issued by
NWS Des Moines, IA
Flood severity
None
All 33 counties

Adair County, IA, Appanoose County, IA, Audubon County, IA, Black Hawk County, IA, Boone County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Davis County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hardin County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Polk County, IA, Poweshiek County, IA, Sac County, IA, Story County, IA, Tama County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Webster County, IA

The radar

The Des Moines radar (KDMX), 9 km from the middle of the area, began a volume at 19:50 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 flood watch 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 flood watch went out at Jul 19, 12:47 PM CDT, 2 hours 1 minute earlier.

Area forecast discussion, Jul 19, 12:47 PM CDT, 2 hours 1 minute before
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Hazardous weather outlook, Jul 19, 2:20 AM CDT, 12 hours 28 minutes before
Hazardous Weather Outlook
National Weather Service Des Moines IA
220 AM CDT Sat Jul 19 2025

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-200730-
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-
220 AM CDT Sat Jul 19 2025

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE... Today and Tonight

There is a Slight Risk (level 2 of 5) severe weather central and
east this afternoon and tonight, followed by a Marginal Risk
elsewhere. Damaging winds are the primary threat. Large hail as
well as a tornado or two will be possible as well. Heavy rainfall
will also be possible through the overnight with a Slight Risk of
excessive rainfall for much of the area.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There is a Marginal Risk (level 1 of 5) for severe weather and
excessive rainfall on Sunday and Monday with damaging winds being
the primary severe threat. Chances for thunderstorms will persist
into early next week. The threat for severe weather will continue
to be evaluated. Heavy rain will continue to remain possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this weekend.

In the hours before

Local storm report, Jul 19, 10:52 AM CDT, 3 hours 56 minutes before
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Local storm report, Jul 19, 10:57 AM CDT, 3 hours 51 minutes before
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Local storm report, Jul 19, 11:00 AM CDT, 3 hours 48 minutes before
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Local storm report, Jul 19, 11:03 AM CDT, 3 hours 45 minutes before
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Local storm report, Jul 19, 11:09 AM CDT, 3 hours 39 minutes before
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Local storm report, Jul 19, 11:25 AM CDT, 3 hours 23 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 2:04 AM CDTSpecial Weather StatementDMXWinnebago26 min
Jul 19, 2:28 AM CDTSpecial Weather StatementDMXWinnebago32 min
Jul 19, 2:51 AM CDTSevere Thunderstorm WarningDMXCerro Gordo, Hancock, Winnebago, Worth24 min
Jul 19, 3:12 AM CDTSpecial Weather StatementDMXCerro Gordo, Worth33 min
Jul 19, 3:27 AM CDTSevere Thunderstorm WarningDMXCerro Gordo, Worth18 min
Jul 19, 3:57 AM CDTSpecial Weather StatementDMXWright33 min
Jul 19, 4:09 AM CDTFlash Flood WarningDMXCerro Gordo3 hr
Jul 19, 5:52 AM CDTTornado WarningDMXBoone, Story23 min
Jul 19, 6:05 AM CDTSevere Thunderstorm WarningDMXJasper, Marion, Marshall, Polk, Poweshiek, Story and 2 more40 min
Jul 19, 6:22 AM CDTTornado WarningDMXPolk23 min
Jul 19, 6:44 AM CDTSevere Thunderstorm WarningDMXJasper, Lucas, Mahaska, Marion, Marshall, Monroe and 3 more46 min
Jul 19, 6:55 AM CDTSevere Thunderstorm WarningDMXPoweshiek, Tama35 min

Nearby

Flood Watches in Iowa, 2025Every flood watch 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.