The National Weather Service in Salt Lake City issued a flash flood warning on the evening of July 18, 2026, for portions of east central Beaver County, alerting residents to life-threatening debris flows moving through the Beaver River area.
Debris Flow Movement in Beaver County
According to an alert issued by the National Weather Service at 6:48 p.m. MDT on July 18, law enforcement cameras in Beaver County captured a new surge of debris flow moving down the Beaver River. The warning, which was effective until 9:00 p.m. MDT that same evening, indicated that the surge was expected to impact the Grove area and other locations downstream immediately.
Impact of Cottonwood Burn Scar
The alert noted that while the debris flow in North Creek had already moved through its target area and was beginning to diminish, a new threat remained active. Officials reported that between 0.5 and 1 inch of rain had fallen in the region, creating conditions for excessive rainfall over the Cottonwood burn scar.
Nature of the Flood Hazard
The National Weather Service warned that the heavy rainfall over the burn scar would likely result in additional debris flow surges. These flows are characterized by a dangerous mixture of rock, mud, vegetation, and other loose materials moving through the river system.
Threatened Local Areas
The primary hazard identified by the National Weather Service was life-threatening flash flooding. Specific areas cited as being at risk for experiencing these floods included Beaver, specifically including the Grove area.
Emergency Reporting Details
The emergency alert was based on reports provided by local law enforcement. The warning remained in effect through 9:00 p.m. MDT on July 18, 2026.
