Alert archive / Utah / San Juan County / 2026

Weather alerts in San Juan County, Utah, August 2026

21 weather alerts in August 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
21
Warnings
15
Watches
2
Advisories
3
Busiest day
August 29, 20266 alerts

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.

IssuedProductOfficeLasted
Aug 1, 11:23 AM MDTRed Flag WarningSLC3 days
Aug 2, 8:42 PM MDTExtreme Heat WarningSLC24 hr
Aug 2, 10:10 PM MDTRed Flag WarningGJT22 hr
Aug 5, 9:46 AM MDTExtreme Heat WarningSLC4 days
Aug 6, 10:11 AM MDTHeat AdvisoryGJT34 hr
Aug 6, 10:18 AM MDTHeat AdvisoryGJT58 hr
Aug 7, 12:13 PM MDTHeat AdvisoryGJT31 hr
Aug 12, 5:48 PM MDTFlash Flood Warning Considerable damage threatGJT4 hr
Aug 12, 6:15 PM MDTFlash Flood Warning Considerable damage threatGJT3 hr
Aug 21, 5:01 PM MDTFlash Flood Warning Considerable damage threatGJT119 min
Aug 24, 1:34 PM MDTFlash Flood Warning Considerable damage threatGJT4 hr
Aug 29, 3:19 PM MDTFlood WatchSLC54 hr
Aug 29, 4:23 PM MDTSevere Thunderstorm WarningSLC37 min
Aug 29, 4:56 PM MDTSevere Thunderstorm Warning Considerable damage threatSLC34 min
Aug 29, 5:12 PM MDTFlash Flood Warning Considerable damage threatSLC5 hr
Aug 29, 5:23 PM MDTSevere Thunderstorm WarningSLC37 min
Aug 29, 5:52 PM MDTFlash Flood Warning Considerable damage threatSLC3 hr
Aug 30, 4:18 AM MDTFlood WatchGJT41 hr
Aug 30, 2:03 PM MDTFlash Flood Warning Considerable damage threatSLC6 hr
Aug 30, 3:05 PM MDTSevere Thunderstorm WarningSLC25 min
Aug 30, 3:37 PM MDTSpecial Weather StatementSLC38 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive2025

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. Warning verification from the Mesonet's Cow. Rebuilt daily.