October 1, 2026

Midwest Storm Chasers

Live Weather Coverage & Severe Storm Reporting

⚠️ Flood Warning – Jasper, IA; Marion, IA; Polk, IA – Wednesday, September 30, 2026

Event Flood Warning
Severity Severe
Urgency Expected
Certainty Likely
Area Jasper, IA; Marion, IA; Polk, IA
Effective 9/30/2026, 10:22:00 PM CDT
Expires 10/1/2026, 10:30:00 AM CDT

Flood Warning issued September 30 at 10:22PM CDT until October 4 at 9:00AM CDT by NWS Des Moines IA

Details

…The National Weather Service in Des Moines has issued a Flood
Warning for the following rivers in Iowa…

South Skunk River at Colfax affecting Jasper, Marion and Polk
Counties.

Des Moines River at Des Moines SE 6th St affecting Marion, Warren
and Polk Counties.

North Raccoon River near Perry affecting Dallas County.

North River near Norwalk Hwy R57 affecting Warren and Polk
Counties.

South River near Ackworth affecting Warren County.

* WHAT…Moderate flooding is forecast.

* WHERE…South Skunk River at Colfax, or from the Jasper-Polk County
Line to the Jasper-Marion County line.

* WHEN…From Thursday afternoon to Sunday morning.

* 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 PM CDT Wednesday the stage was 12.1 feet, and rising.
– Forecast…The river is expected to rise above flood stage early
tomorrow afternoon to a crest of 19.5 feet early Friday morning.
It will then fall below flood stage early Sunday morning.
– Flood stage is 18.0 feet.

Instructions

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.


This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.