National Weather Service Issues Flash Flood Warning for San Juan and Kane Counties in Utah

Salt Lake City, UT, August 29, 2026 —

The National Weather Service (NWS) has officially issued a flash flood warning for residents and travelers in San Juan County and Kane County, Utah. The alert was triggered by reports of heavy rainfall in the affected regions.

Flash floods are sudden, dangerous events that can occur with little to no warning. They are characterized by a rapid rise in water levels, capable of causing significant damage to property and posing serious risks to life. The NWS issues such warnings when conditions indicate that flash flooding is imminent or already occurring.

Specific details regarding the duration of the warning, the exact expected rainfall amounts, and potential impact zones within San Juan and Kane Counties were not immediately available in the initial advisory.

Authorities typically advise those in flash flood-prone areas to stay informed, monitor weather updates, and be prepared to take immediate action if conditions worsen. This includes moving to higher ground if water levels begin to rise rapidly and avoiding driving or walking through flooded areas, as even shallow, fast-moving water can be extremely dangerous.

The National Weather Service coordinates with local emergency management agencies to disseminate critical weather information. Residents in the affected counties are encouraged to stay updated on advisories and safety recommendations through official NWS channels and local news outlets. The cause of the heavy rainfall that led to this warning was stated as heavy rainfall.

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