Alert archive / Iowa / Flood Watches in 2025
Flood Watch 4, NWS Des Moines, IA
NWS Des Moines, IA issued this flood watch at Jul 25, 2025, 1:39 PM CDT for 21 counties in Iowa. It took effect at Jul 25, 2025, 2:00 PM CDT. It was in force for 19 hr.
The area
The counties it named.
The facts
- Issued
- Jul 25, 2025, 1:39 PM CDT (18:39 UTC)
- In effect from
- Jul 25, 2025, 2:00 PM CDT
- Expired
- Jul 26, 2025, 8:36 AM CDT
- In force
- 19 hr
- Issued by
- NWS Des Moines, IA
- Flood severity
- None
All 21 counties
Adair County, IA, Adams County, IA, Appanoose County, IA, Clarke County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Monroe County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA
The radar
The Des Moines radar (KDMX), 68 km from the middle of the area, began a volume at 18:41 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 12:00Z, 6.7 hours before the alert went out and 256 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
- 95 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 25, 12:38 PM CDT, 1 hour 1 minute earlier.
Area forecast discussion, Jul 25, 12:38 PM CDT, 1 hour 1 minute before
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</html>Hazardous weather outlook, Jul 25, 4:17 AM CDT, 9 hours 22 minutes before
Hazardous Weather Outlook National Weather Service Des Moines IA 417 AM CDT Fri Jul 25 2025 IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075- 081>086-092>097-260930- 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- 417 AM CDT Fri Jul 25 2025 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Today and tonight Showers and thunderstorms are possible this afternoon in southern Iowa, expanding to central and eastern Iowa overnight into Saturday. A few stronger storms are possible far south, however the overall severe risk is low. Pockets of heavy rain are also possible, especially in far southern Iowa. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Saturday morning showers and thunderstorms will end west to east. Hot and humid conditions build this weekend into early next week. The heat index Sunday into Monday may exceed 100-105. .SPOTTER INFORMATION STATEMENT... Spotters activation is not anticipated at this time, though rainfall reports are always appreciated. Hagenhoff
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 2:59 AM CDT | Dense Fog Advisory | DMX | Adair, Adams, Audubon, Cass, Ringgold, Taylor and 1 more | 4 hr |
| Jul 25, 6:05 AM CDT | River Flood Warning | DMX | Black Hawk, Bremer, Butler | 70 hr |
Nearby
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.