Flood Warning — Dallas County, Iowa
Flooding is occurring or imminent along rivers, streams, or low-lying areas.
Current Status
🌊 Active: Flood Warning
Flood Warning issued September 9 at 7:07AM CDT until September 9 at 6:30PM CDT by NWS Des Moines IA
...The Flood Warning continues for the following rivers in Iowa... Raccoon River at Des Moines Fleur Dr affecting Polk County. Walnut Creek at Clive I-80/35 affecting Dallas and Polk Counties. Walnut Creek at Des Moines 63rd St affecting Polk County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Walnut Creek at Clive I-80/35, or from Little Walnut Creek to the North Walnut Creek. * WHEN...Until this evening. * IMPACTS...At 9.0 feet, Swanson Blvd is closed from Harbach Blvd west to NW 94th St due to storm sewer backup. The intersection of 93rd St and Lincoln St is closed also due to storm sewer backup. * ADDITIONAL DETAILS... - At 6:58 AM CDT Wednesday the stage was 9.5 feet, and falling. - Forecast...The river is expected to rise to a crest of 9.8 feet this morning. It will then fall below flood stage this afternoon. - Flood stage is 9.0 feet.
Effective September 9, 2026 at 8:07 AM ET · Expires September 9, 2026 at 7:30 PM ET
Event Details
Event Type
Flood Warning
Severity
severe
Issued By
NWS Des Moines IA
Expires
September 9, 2026 at 7:30 PM ET
Last Checked
just now
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. For the latest stream observations and forecasts refer to weather.gov/desmoines/water. River forecasts include observed precipitation plus forecast precipitation over the next 24 hours.
Other Active Alerts in Iowa
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Flash Flood Warning
Flash Flood Warning
Flash Flood Warning
Flash Flood Warning
Flash Flood Warning
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Frequently Asked Questions
What does a Flood Warning mean for Dallas County, Iowa?
Flooding is occurring or imminent along rivers, streams, or low-lying areas.
Is this Flood Warning currently active?
Yes — this alert is active as of our last check (just now). It's set to expire September 9, 2026 at 7:30 PM ET.
How do I get notified about Flood Warning alerts for Dallas County?
Download StormCast free on Google Play and set Dallas County, Iowa as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.