NWS Grand Junction COFF.W 0113September 15, 2026
Flash Flood Warning: San Juan, UT
The National Weather Service office in Grand Junction issued a flash flood warning for San Juan in Utah, which was in force until 1:00 p.m. local time on September 15. It was the 113th flash flood warning the NWS office in Grand Junction issued in 2026. Utah had 33 flash flood warnings in September 2026, against 10 in an average September of 2008-2025 (Utah's flash flood warnings by year).
ExpiredWarning
In force for 3 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Grand Junction CO
- Area
- San Juan
- State
- Utah
- Level
- Warning
- Issued
- 9:58 a.m. MDT, September 15, 2026
- Expires
- 1:00 p.m. MDT, September 15, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KGJT FF.W 0113
- Official source
- National Weather Service: the notice at its source
Flash Flood Warnings in Utah since 2008Every warning type in Utah
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Babylon burn scar in... Central San Juan County in southeastern Utah... * Until 100 PM MDT. * At 958 AM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Babylon Burn Scar. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Babylon Burn Scar. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Babylon Burn Scar. * Some locations that will experience flash flooding include... Mainly rural areas of Central San Juan County.
What the agency told people to do
This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Babylon Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.