Alert archive / Colorado / Larimer County / 2026

Weather alerts in Larimer County, Colorado, March 2026

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

Alerts
29
Warnings
13
Watches
11
Advisories
4
Busiest day
March 19, 20264 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
Mar 3, 3:51 AM MSTWinter Weather AdvisoryBOU11 hr
Mar 4, 12:30 PM MSTWinter Storm WatchBOU11 hr
Mar 4, 12:30 PM MSTWinter Weather AdvisoryBOU58 hr
Mar 4, 11:03 PM MSTWinter Storm WarningBOU46 hr
Mar 10, 2:26 AM MDTRed Flag WarningBOU11 hr
Mar 10, 9:51 AM MDTHigh Wind WatchBOU38 hr
Mar 10, 1:06 PM MDTFire Weather WatchBOU24 hr
Mar 11, 1:00 PM MDTHigh Wind WarningBOU47 hr
Mar 11, 1:22 PM MDTRed Flag WarningBOU32 hr
Mar 11, 11:23 PM MDTFire Weather WatchBOU13 hr
Mar 12, 12:50 PM MDTFire Weather WatchBOU8 hr
Mar 12, 12:50 PM MDTRed Flag WarningBOU31 hr
Mar 12, 8:58 PM MDTRed Flag WarningBOU48 hr
Mar 12, 11:12 PM MDTWinter Weather AdvisoryBOU61 hr
Mar 15, 12:53 AM MDTSpecial Weather StatementBOU52 min
Mar 15, 10:38 PM MDTFire Weather WatchBOU15 hr
Mar 16, 1:55 PM MDTRed Flag WarningBOU30 hr
Mar 16, 11:49 PM MDTFire Weather WatchBOU13 hr
Mar 17, 1:09 PM MDTRed Flag WarningBOU30 hr
Mar 17, 10:26 PM MDTFire Weather WatchBOU14 hr
Mar 18, 12:29 PM MDTRed Flag WarningBOU31 hr
Mar 18, 7:06 PM MDTRed Flag WarningBOU54 min
Mar 19, 2:16 AM MDTFire Weather WatchBOU12 hr
Mar 19, 2:16 AM MDTFire Weather WatchBOU35 hr
Mar 19, 1:57 PM MDTRed Flag WarningBOU29 hr
Mar 20, 12:46 PM MDTRed Flag WarningBOU33 hr
Mar 29, 3:00 AM MDTFire Weather WatchBOU9 hr
Mar 29, 12:19 PM MDTRed Flag WarningBOU32 hr
Mar 30, 11:40 AM MDTWinter Weather AdvisoryBOU57 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.