Alert USA
weather NWS severe Calhoun, IA; Carroll, IA; Greene, IA; Sac, IA July 4, 2026 at 8:15 AM

Flash Flood Warning

FFWDMX

The National Weather Service in Des Moines has issued a

* Flash Flood Warning for... Southern Calhoun County in west central Iowa... Northern Carroll County in west central Iowa... Northwestern Greene County in west central Iowa... Southeastern Sac County in west central Iowa...

* Until 915 AM CDT.

* At 315 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 2 to 4 inches

Flooding in Calhoun, IA; Carroll, IA; Greene, IA; Sac, IA can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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