Alert USA
weather NWS severe San Juan, UT July 21, 2026 at 11:37 PM

Flash Flood Warning

FFWGJT

The National Weather Service in Grand Junction has issued a

* Flash Flood Warning for... Northeastern San Juan County in southeastern Utah...

* Until 845 PM MDT.

* At 537 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.6 and 1 inch of rain has fallen. The expected rainfall rate is 3 to 5 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing flash

Flooding in San Juan, UT 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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