Alert archive / Utah / Flash Flood Warnings / 2025

Flash Flood Warnings in Utah, August 2025

14 flash flood warnings in August 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in August 2025. Tap one for its archive.

Flash Flood Warnings
14
Busiest day
August 26, 20256 flash flood warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Aug 22, 4:16 PM MDTFlash Flood Warning Considerable damage threatSLCKane3 hr
Aug 22, 5:26 PM MDTFlash Flood Warning Considerable damage threatGJTSan Juan2 hr
Aug 23, 2:44 PM MDTFlash Flood Warning Considerable damage threatGJTSan Juan2 hr
Aug 24, 6:08 PM MDTFlash Flood Warning Considerable damage threatSLCWashington3 hr
Aug 25, 5:36 PM MDTFlash Flood Warning Considerable damage threatSLCKane, Washington3 hr
Aug 26, 9:39 AM MDTFlash Flood Warning Considerable damage threatSLCKane, Washington3 hr
Aug 26, 2:05 PM MDTFlash Flood WarningGJTSan Juan3 hr
Aug 26, 3:10 PM MDTFlash Flood Warning Considerable damage threatSLCKane3 hr
Aug 26, 4:53 PM MDTFlash Flood Warning Considerable damage threatSLCKane, San Juan4 hr
Aug 26, 5:03 PM MDTFlash Flood Warning Considerable damage threatGJTSan Juan3 hr
Aug 26, 5:14 PM MDTFlash Flood Warning Considerable damage threatSLCGarfield3 hr
Aug 26, 7:24 PM MDTFlash Flood Warning Considerable damage threatSLCEmery3 hr
Aug 27, 4:26 AM MDTFlash Flood Warning Considerable damage threatSLCKane, Washington4 hr
Aug 27, 12:47 PM MDTFlash Flood Warning Considerable damage threatSLCEmery3 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.