Alert archive / Colorado / Larimer County / Red Flag Warnings

Red Flag Warnings in Larimer County, Colorado, 2025

15 red flag warnings in 2025. An alert counts here when it covered this county. The archive of red flag warnings reaches back to 2005.

Larimer County and its neighbors

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

Red Flag Warnings
15
Busiest month
August4 red flag warnings
Busiest day
March 9, 20251 red flag warnings

Over time

By month

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 9, 2:03 PM MDTRed Flag WarningBOU29 hr
Mar 16, 1:54 PM MDTRed Flag WarningBOU29 hr
Mar 21, 3:09 PM MDTRed Flag WarningBOU29 hr
Apr 8, 2:01 PM MDTRed Flag WarningBOU29 hr
Apr 11, 2:45 PM MDTRed Flag WarningBOU29 hr
Aug 4, 2:09 PM MDTRed Flag WarningBOU30 hr
Aug 5, 2:04 PM MDTRed Flag WarningBOU30 hr
Aug 7, 9:07 AM MDTRed Flag WarningBOU35 hr
Aug 13, 2:50 PM MDTRed Flag WarningBOU29 hr
Oct 19, 1:32 PM MDTRed Flag WarningBOU28 hr
Nov 6, 7:21 AM MSTRed Flag WarningBOU10 hr
Dec 11, 8:16 AM MSTRed Flag WarningBOU9 hr
Dec 16, 3:06 AM MSTRed Flag WarningBOU39 hr
Dec 18, 2:44 PM MSTRed Flag WarningBOU33 hr
Dec 22, 1:48 AM MSTRed Flag WarningBOU15 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 9, 20251red flag warnings
  2. March 16, 20251red flag warnings
  3. March 21, 20251red flag warnings
  4. April 8, 20251red flag warnings
  5. April 11, 20251red flag warnings
  6. August 4, 20251red flag warnings
  7. August 5, 20251red flag warnings
  8. August 7, 20251red flag warnings
  9. August 13, 20251red flag warnings
  10. October 19, 20251red flag warnings

Nearby

Alerts in force nowTornadoes on recordForecastThe 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. Warning verification from the Mesonet's Cow. Rebuilt daily.