NWS Omaha/Valley NEFL.W 0006September 15, 2026
Flood Warning: Montgomery, IA
The National Weather Service office in Omaha/Valley issued a flood warning for Montgomery in Iowa, which was in force until 4:00 a.m. local time on September 17. It was the 6th river flood warning the NWS office in Omaha/Valley issued in 2026. Iowa had 29 flood warnings in September 2026, against 18 in an average September of 2008-2025 (Iowa's flood warnings by year).
ExpiredWarning
In force for 35 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Omaha/Valley NE
- Area
- Montgomery
- State
- Iowa
- Level
- Warning
- Issued
- 4:11 p.m. CDT, September 15, 2026
- In force from
- 5:02 p.m. CDT, September 15, 2026
- Expires
- 4:00 a.m. CDT, September 17, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KOAX FL.W 0006
- 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 National Weather Service in Omaha/Valley has issued a Flood Warning for the following rivers in Iowa... East Nishnabotna River At Red Oak affecting Montgomery County. * WHAT...Minor flooding is forecast. * WHERE...East Nishnabotna River at Red Oak. * WHEN...Until late Wednesday night. * IMPACTS...At 20.0 feet, Lowland flooding begins along the west bank. * ADDITIONAL DETAILS... - At 4:00 PM CDT Tuesday the stage was 17.6 feet. - Bankfull stage is 18.0 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 19.7 feet just after midnight tonight. It will then fall below flood stage by late tomorrow morning. - Flood stage is 18.0 feet. - Flood History...This crest compares to a previous crest of 19.6 feet on 06/15/1980. - http://www.weather.gov/safety/flood
What the agency told people to do
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 Wednesday afternoon at 100 PM CDT.
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.