HighFloodActiveNWS Grand Junction CO
Flood Warning
Montezuma County · Started Oct 26, 2026 at 8:29 AM · Updated 1h ago
Montezuma Countyarea
Oct 26, 2026, 8:29 AMeffective
Oct 27, 2026, 6:00 AMexpires
NWS Grand Junction COsource
Warned area as issued by the National Weather Service
Full advisory
WHAT
Catastrophic flooding caused by excessive rainfall is expected along the San Juan River between Four Corners and Mexican Hat. This is an emergency situation!
WHERE
Western Montezuma County in southwestern Colorado... Southern San Juan County in southeastern Utah...
WHEN
Until 600 AM MDT Tuesday.
IMPACTS
Flooding along San Juan River is occurring or expected to begin shortly. The crest will occur around Aneth, Montezuma Creek and Bluff this afternoon and evening.
ADDITIONAL DETAILS
- At 823 AM MDT, - At 7:30 AM MDT Monday the stage was 24.6 feet. - Bankfull stage is 22.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 AM MDT Monday was 24.6 feet. - Forecast...The river is expected to rise to a crest of 31.0 feet late this afternoon. It will then fall below flood stage late tomorrow morning. - Flood stage is 23.0 feet. - Flood History...This crest compares to a previous crest of 32.0 feet on 09/10/1927. - Some locations that will experience flooding include... Mexican Hat, Tselakai Dezza, Bluff, Halchita, Montezuma Creek and Aneth. - http://www.weather.gov/safety/flood