NWS Des Moines IAFL.W 0030October 1, 2026
Flood Warning: Jasper, Marion and Polk, IA
The National Weather Service office in Des Moines issued a flood warning for Jasper, Marion and Polk in Iowa, which was in force until 3:00 a.m. local time on October 4. It was the 30th river flood warning the NWS office in Des Moines issued in 2026. Iowa had 43 flood warnings in October 2026, against 10 in an average October of 2008-2025 (Iowa's flood warnings by year).
ExpiredWarning
In force for 20 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Des Moines IA
- Area
- Jasper, Marion and Polk
- State
- Iowa
- Level
- Warning
- Issued
- 8:07 p.m. CDT, October 1, 2026
- In force from
- 7:00 a.m. CDT, October 3, 2026
- Expires
- 3:00 a.m. CDT, October 4, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KDMX FL.W 0030
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
...The Flood Warning is extended for the following rivers in Iowa... South Skunk River near Ames US 30 affecting Story and Polk Counties. ...The Flood Warning continues for the following rivers in Iowa... South Skunk River at Colfax affecting Marion, Jasper and Polk Counties. * WHAT...Minor flooding is forecast. * WHERE...South Skunk River at Colfax, or from the Jasper-Polk County Line to the Jasper-Marion County line. * WHEN...From Saturday morning to late Saturday night. * IMPACTS...At 19.0 feet, Water affects the earthen levee west of town near the sewage disposal area. Evacuations may occur on the northwest side of Colfax. Flooding occurs in Reasnor. * ADDITIONAL DETAILS... - At 7:45 PM CDT Thursday the stage was 15.3 feet, and rising. - Forecast...The river is expected to rise above flood stage Saturday morning to a crest of 18.1 feet early Saturday afternoon. It will then fall below flood stage late Saturday evening. - Flood stage is 18.0 feet.
What the agency told people to do
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 48 hours.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.