⚠️ Flash Flood Warning – Mills, IA; Pottawattamie, IA; Sarpy, NE – Wednesday, August 5, 2026

Flash Flood Warning issued August 5 at 12:07AM CDT until August 5 at 3:00AM CDT by NWS Omaha/Valley NE

Details

FFWOAX

The National Weather Service in Omaha/Valley has issued a

* Flash Flood Warning for…
Northwestern Mills County in southwestern Iowa…
Southwestern Pottawattamie County in southwestern Iowa…
Northeastern Sarpy County in east central Nebraska…

* Until 300 AM CDT.

* At 1207 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
2 and 3 inches of rain have fallen. Additional rainfall amounts of
1 to 2 inches are possible in the warned area. Flash flooding is
ongoing or expected to begin shortly.

HAZARD…Flash flooding caused by thunderstorms.

SOURCE…Radar and automated gauges.

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…
Bellevue and Offutt AFB.

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.