Alert USA
weather NWS severe Sawtooth/Stanley Basin October 21, 2026 at 5:47 PM

Flash Flood Watch

* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Wapiti Fire burn scar.

* WHERE...A portion of central Idaho, including the following area, Sawtooth/Stanley Basin.

* WHEN...From Thursday evening through Friday morning.

* IMPACTS...Heavy rainfall over the Wapiti Fire burn scar is expected during the period of the watch. Anyone in or near the Wapiti burn scar should prepare for potential debris flow moving through the Wapiti burn scar. Be sure to stay up to date with information from local authorities. Heavy rainfall could trigger flash flooding and debris flows in and near recent wildfire burn scars.

* ADDITIONAL DETAILS... - National Weather Service Meteorologists are forecasting heavy rainfall over the Wapiti Fire burn scar, which may lead to flash flooding and debris flows. - Some locations that may experience flash flooding include... Cape Horn Area and Banner Summit. - http://www.weather.gov/safety/flood

Flooding in Sawtooth/Stanley Basin 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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