HighFloodActiveNWS Grand Junction CO
Flood Warning
Montezuma County · Started Oct 24, 2026 at 8:35 PM · Updated 52m ago
Montezuma Countyarea
Oct 24, 2026, 8:35 PMeffective
Oct 26, 2026, 1:00 PMexpires
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 100 PM MDT Monday.
IMPACTS
Flooding along San Juan River is occurring with major flooding forecast. Low-water crossing are inundated with water and may not be passable. The river is running fast and high. Do not attempt to cross.
ADDITIONAL DETAILS
- At 830 PM MDT, Major flooding is expected to occur along the San Juan River from Four Corners to Mexican Hat. The San Juan River is forecast to crest around midnight tonight at the Four Corners, reaching Montezuma Creek around 5 am MDT Sunday, cresting between Bluff and Mexican Hat Sunday afternoon and peaking at Mexican Hat by 5 pm Sunday evening around 36 feet which will exceed all time record levels. The San Juan River will rise above flood stage Sunday morning and continue to rise Sunday afternoon to moderate flood stage, peaking above major flood stage at Mexican Hat by 5 pm Sunday evening. - This includes the following streams and drainages... San Juan River - Some locations that will experience flooding include... Mexican Hat, Tselakai Dezza, Bluff, Halchita, Montezuma Creek and Aneth. - http://www.weather.gov/safety/flood