Alert USA
weather NWS severe Boise, ID July 24, 2026 at 4:31 AM

Flash Flood Warning

FFWBOI

The National Weather Service in Boise has issued a

* Flash Flood Warning for... The Wapiti Burn Area in... Northeastern Boise County in southwestern Idaho...

* Until 1230 AM MDT.

* At 1031 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Wapiti Burn Area. Flash flooding is ongoing or expected to begin shortly.

Excessive rainfall over the burn scar will result in debris flow along Highway 21 south of Banner Summit. The debris flow can consist of rock, mud, v

Flooding in Boise, ID 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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