HighFloodActiveNWS Grand Junction CO
Flood Warning
Montezuma County · Started Oct 25, 2026 at 1:52 PM · Updated 1h ago
Montezuma Countyarea
Oct 25, 2026, 1:52 PMeffective
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 146 PM MDT, Sunday the stage for the San Juan river near Bluff was 20 feet. - Bankfull stage is 22.0 feet. - Forecast...The river is expected to rise above flood stage this afternoon to a crest of 29.5 feet early Monday morning. It will then fall below flood stage early Tuesday morning. - Flood stage is 23.0 feet. - Flood History...This crest compares to a previous crest of 32.0 feet on 09/10/1927. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Mexican Hat, Tselakai Dezza, Bluff, Halchita, Montezuma Creek and Aneth. - http://www.weather.gov/safety/flood