Iowa Severe Flood Warning | Effective 07/04/2026 08:10

Headline: 
Flood Warning issued July 4 at 10:10AM CDT until July 5 at 10:45AM CDT by NWS Des Moines IA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
July 4, 2026 - 8:10am
Expires: 
July 5, 2026 - 4:15am
Description: 
...The Flood Warning is extended for the following rivers in Iowa... Black Hawk Creek at Hudson affecting Black Hawk County. Ioway Creek at Ames Lincoln Way affecting Story County. ...The Flood Warning continues for the following rivers in Iowa... South Skunk River at Colfax affecting Polk, Jasper and Marion Counties. South Skunk River near Ames US 30 affecting Polk and Story Counties. Fourmile Creek at Des Moines Easton Blvd affecting Polk County. South Skunk River near Ames W Riverside Rd affecting Story County. * WHAT...Minor flooding is forecast. * WHERE...The South Skunk River near Ames W Riverside Rd, or from Keigley Branch near 170th Street to Ioway Creek. * WHEN...Until late tomorrow morning. * IMPACTS...At 13.9 feet, Water affects Westech Engineering located at 600 Arrasmith Trl. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 12.2 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 13.0 feet just after midnight tonight. It will then fall below flood stage late tonight. - Flood stage is 12.5 feet.
Instruction: 
For the latest stream observations and forecasts refer to weather.gov/desmoines/water. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. River forecasts include observed precipitation plus forecast precipitation over the next 24 hours.
Area Description: 
Story, IA
Forcast Office: 
NWS Des Moines IA