⚠️ Flash Flood Warning – Harrison, IA; Pottawattamie, IA; Shelby, IA; Douglas, NE; Washington, NE – Wednesday, September 30, 2026

Flash Flood Warning issued September 30 at 11:11PM CDT until October 1 at 2:15AM CDT by NWS Omaha/Valley NE

Details

FFWOAX

The National Weather Service in Omaha/Valley has issued a

* Flash Flood Warning for…
Southern Harrison County in southwestern Iowa…
Northwestern Pottawattamie County in southwestern Iowa…
Southwestern Shelby County in southwestern Iowa…
North Central Douglas County in east central Nebraska…
Southeastern Washington County in east central Nebraska…

* Until 215 AM CDT.

* At 1111 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. The expected rainfall rate is 1.5 to 3 inches in 1
hour. Additional rainfall amounts of 1 to 3 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.

HAZARD…Flash flooding caused by thunderstorms.

SOURCE…Radar indicated.

IMPACT…Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include…
Blair, Harlan, Missouri Valley, Logan, Woodbine, Underwood, Fort
Calhoun, Neola, Shelby, Minden, Earling, Kennard, Persia, Modale,
Panama, Magnolia, Portsmouth and Washington.

This includes the following highways…
Interstate 29 between mile markers 66 and 82. Interstate 80 in Iowa
between mile markers 20 and 40.

Instructions

Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

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