Alert archive / Colorado / Larimer County / 2026

Weather alerts in Larimer County, Colorado, August 2026

25 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
25
Warnings
6
Watches
3
Advisories
5
Busiest day
August 26, 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 4, 1:39 AM MDTFire Weather WatchBOU11 hr
Aug 4, 12:20 PM MDTRed Flag WarningBOU31 hr
Aug 6, 12:07 PM MDTHeat AdvisoryBOU3 days
Aug 13, 2:41 PM MDTMesoscale DiscussionSPC2 hr
Aug 13, 7:25 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 14, 3:17 PM MDTAreal Flood AdvisoryBOU25 min
Aug 14, 3:37 PM MDTFlash Flood Warning Considerable damage threatBOU3 hr
Aug 15, 1:06 AM MDTFlood WatchBOU19 hr
Aug 15, 1:28 PM MDTMesoscale DiscussionSPC2 hr
Aug 21, 4:11 PM MDTSpecial Weather StatementBOU34 min
Aug 22, 1:15 PM MDTMesoscale DiscussionSPC3 hr
Aug 24, 1:36 PM MDTMesoscale DiscussionSPC114 min
Aug 26, 3:06 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 26, 3:25 PM MDTSevere Thunderstorm WarningBOU42 min
Aug 26, 3:42 PM MDTSevere Thunderstorm WarningBOU22 min
Aug 26, 3:53 PM MDTSevere Thunderstorm WatchSPC6 hr
Aug 26, 4:01 PM MDTSevere Thunderstorm WarningBOU25 min
Aug 26, 4:03 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 27, 2:27 PM MDTSevere Thunderstorm WarningBOU33 min
Aug 27, 3:02 PM MDTMesoscale DiscussionSPC118 min
Aug 29, 1:26 PM MDTMesoscale DiscussionSPC2 hr
Aug 29, 1:29 PM MDTSpecial Weather StatementBOU46 min
Aug 29, 2:12 PM MDTSpecial Weather StatementBOU48 min
Aug 29, 2:14 PM MDTSpecial Weather StatementBOU46 min
Aug 29, 5:59 PM MDTSpecial Weather StatementBOU31 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.