Iowa Severe Flood Warning | Effective 09/16/2026 02:46

Headline: 
Flood Warning issued September 16 at 4:46AM CDT until September 17 at 10:41AM CDT by NWS Omaha/Valley NE
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
September 16, 2026 - 2:46am
Expires: 
September 17, 2026 - 8:45am
Description: 
...The Flood Warning is extended for the following rivers in Iowa... East Nishnabotna River At Red Oak affecting Montgomery County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...East Nishnabotna River at Red Oak. * WHEN...Until Thursday morning. * IMPACTS...At 20.0 feet, Lowland flooding begins along the west bank. * ADDITIONAL DETAILS... - At 4:00 AM CDT Wednesday the stage was 20.2 feet. - Bankfull stage is 18.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 AM CDT Wednesday was 20.2 feet. - Forecast...The river is expected to fall below flood stage late this afternoon and continue falling to 7.7 feet early Monday morning. - Flood stage is 18.0 feet. - Flood History...This crest compares to a previous crest of 20.3 feet on 05/29/1962. - http://www.weather.gov/safety/flood
Instruction: 
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. Additional information is available at water.noaa.gov. The next statement will be issued Thursday morning at 1045 AM CDT.
Area Description: 
Montgomery, IA
Forcast Office: 
NWS Omaha/Valley NE
Sender: 
w-nws.webmaster@noaa.gov