Alert archive / Utah / Grand County / 2026

Weather alerts in Grand County, Utah, September 2026

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

Alerts
24
Warnings
6
Watches
2
Advisories
4
Busiest day
September 15, 20265 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
Sep 2, 9:59 AM MDTSpecial Weather StatementGJT31 min
Sep 2, 11:52 AM MDTSpecial Weather StatementGJT38 min
Sep 2, 1:09 PM MDTMesoscale DiscussionSPC2 hr
Sep 12, 8:00 PM MDTSevere Thunderstorm Warning Considerable damage threatGJT30 min
Sep 12, 8:26 PM MDTSevere Thunderstorm WarningGJT19 min
Sep 12, 8:43 PM MDTSpecial Weather StatementGJT32 min
Sep 12, 9:14 PM MDTSpecial Weather StatementGJT31 min
Sep 15, 10:44 AM MDTFlood WatchGJT61 hr
Sep 15, 5:30 PM MDTSpecial Weather StatementGJT30 min
Sep 15, 5:31 PM MDTFlash Flood WarningGJT4 hr
Sep 15, 5:51 PM MDTFlash Flood WarningGJT3 hr
Sep 15, 5:57 PM MDTSpecial Weather StatementGJT33 min
Sep 15, 6:34 PM MDTAreal Flood AdvisoryGJT4 hr
Sep 16, 2:22 PM MDTSpecial Weather StatementGJT23 min
Sep 16, 2:37 PM MDTSpecial Weather StatementGJT23 min
Sep 16, 2:54 PM MDTFlash Flood Warning Considerable damage threatGJT3 hr
Sep 16, 11:27 PM MDTAreal Flood AdvisoryGJT2 hr
Sep 18, 2:31 PM MDTSpecial Weather StatementGJT29 min
Sep 18, 2:58 PM MDTSevere Thunderstorm WarningGJT32 min
Sep 19, 1:16 AM MDTSpecial Weather StatementGJT29 min
Sep 19, 1:49 AM MDTAreal Flood AdvisoryGJT116 min
Sep 22, 3:28 PM MDTSpecial Weather StatementGJT32 min
Sep 27, 12:45 AM MDTFlood WatchGJT3 days
Sep 29, 4:14 AM MDTAreal Flood AdvisoryGJT3 hr

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.