Key facts
- Alert
- Flash Flood Warning (severe)
- Issued by
- National Weather Service, Grand Junction CO
- Areas
- San Juan, UT
- In effect
- until 11:15 AM MDT, Oct 22, 2026
- Damage threat
- Considerable
- Detection
- Observed
What the National Weather Service says
“Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.”
NWS Grand Junction CO, Flash Flood Warning, 8:10 AM MDT Oct 22, 2026 · official alert
“Be aware of your surroundings and do not drive on flooded roads.”
NWS Grand Junction CO, Flash Flood Warning, 8:10 AM MDT Oct 22, 2026 · official alert
“Flash flooding is already occurring.”
NWS Grand Junction CO, Flash Flood Warning, 8:10 AM MDT Oct 22, 2026 · official alert
What to do
Do not drive into flooded roads. The National Weather Service says most flood deaths occur in vehicles. If you come to water over a road, turn around and find another route.
Stay aware of your surroundings. Never drive around barricades. If you are near creeks, streams, underpasses or low spots in the warned area, move to higher ground.
Just 6 inches of moving water can knock you down, and 1 foot of moving water can sweep a vehicle away. Keep checking National Weather Service updates until the warning ends or is cancelled.
Context
The warning was issued at 8:10 AM MDT after local law enforcement reported heavy rain. The National Weather Service rates the damage threat as considerable and says the flooding was observed. It adds that another 0.5 to 1 inch of rain is possible in the warned area.
No FEMA flood-insurance claim counts or disaster declarations are available for San Juan County in the data used for this page.
Updates
- The flash flood warning expired at 11:15 AM MDT.
- NWS Grand Junction CO issued the flash flood warning until 11:15 AM MDT.
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Questions
- Is there a flash flood warning in San Juan County, Utah?
- Yes. The National Weather Service in Grand Junction issued a Flash Flood Warning for southeastern San Juan County at 8:10 AM MDT. It runs until 11:15 AM MDT on October 22, 2026.
- How much rain has fallen in the warned area?
- Local law enforcement reported between 1 and 2 inches of rain at 8:10 AM MDT. The National Weather Service says another 0.5 to 1 inch is possible.
- What should I do if I come to a flooded road?
- Turn around and do not drive through it. The National Weather Service says most flood deaths occur in vehicles.
Sources
- NWS Grand Junction CO: Flash Flood Warning, Oct 22, 2026 weather.gov
- FEMA OpenFEMA: NFIP claims and disaster declarations fema.gov
How this page is made. The Herebeat Hazard Desk builds event pages from official U.S. government data (National Weather Service, USGS, FEMA). The text is written with AI from that data; every number and quote is checked against the official source automatically before publishing, and the page is updated when the agency updates the event. The official source is always the reference. Spotted a mistake? info@herebeat.app. About the Hazard Desk.