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NWS Des Moines IAFL.W 0030October 4, 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 1:00 a.m. local time on October 5. 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

Issued10:33 a.m. CDT, October 4, 2026
In force10:33 a.m. CDT, October 4, 2026
Expired1:00 a.m. CDT, October 5, 2026

In force for 14.5 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
10:33 a.m. CDT, October 4, 2026
Expires
1:00 a.m. CDT, October 5, 2026
CAP severity, certainty, urgency
Severe, Observed, Immediate
VTEC event
KDMX FL.W 0030
Official source
National Weather Service: the notice at its source

Flood Warnings in Iowa since 2008Every warning type in Iowa

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 continues for the following rivers in Iowa... South Skunk River at Colfax affecting Marion, Polk and Jasper 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...Until late tonight. * 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 9:45 AM CDT Sunday the stage was 17.9 feet, and falling. - Forecast...The river is expected to rise to a crest of 18.0 feet this afternoon. It will then fall below flood stage this 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.

The record around this notice