Alert archive / Colorado / Red Flag Warnings / 2025

Red Flag Warnings in Colorado, April 2025

30 red flag warnings in April 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of red flag warnings reaches back to 2005.

Red Flag Warnings by county

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

Red Flag Warnings
30
Busiest day
April 16, 20254 red flag warnings

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.

IssuedProductOfficeCountiesLasted
Apr 1, 3:12 AM MDTRed Flag WarningBOUElbert, Lincoln16 hr
Apr 1, 2:23 PM MDTRed Flag WarningPUBFremont, Huerfano, Las Animas, Pueblo28 hr
Apr 8, 2:36 AM MDTRed Flag WarningBOULogan, Weld16 hr
Apr 8, 2:01 PM MDTRed Flag WarningBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more29 hr
Apr 8, 2:15 PM MDTRed Flag WarningPUBAlamosa, Conejos, Costilla, Huerfano, Rio Grande, Saguache29 hr
Apr 9, 2:05 AM MDTRed Flag WarningGLDKit Carson, Yuma16 hr
Apr 11, 2:02 PM MDTRed Flag WarningPUBAlamosa, Chaffee, Conejos, Costilla, Crowley, Custer and 10 more31 hr
Apr 11, 2:18 PM MDTRed Flag WarningGJTDelta, Eagle, Garfield, Mesa, Montrose, Ouray and 1 more30 hr
Apr 11, 2:45 PM MDTRed Flag WarningBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 8 more29 hr
Apr 12, 1:57 AM MDTRed Flag WarningGJTDelta, Montrose, Ouray42 hr
Apr 12, 2:03 PM MDTRed Flag WarningPUBAlamosa, Conejos, Costilla, Crowley, Custer, El Paso and 7 more30 hr
Apr 13, 1:38 AM MDTRed Flag WarningBOUPark18 hr
Apr 15, 2:24 PM MDTRed Flag WarningPUBAlamosa, Conejos, Costilla, Fremont, Huerfano, Las Animas and 3 more30 hr
Apr 16, 3:10 AM MDTRed Flag WarningPUBAlamosa, Bent, Conejos, Costilla, Crowley, Custer and 10 more42 hr
Apr 16, 1:19 PM MDTRed Flag WarningGLDCheyenne, Kit Carson32 hr
Apr 16, 2:07 PM MDTRed Flag WarningGJTDelta, Dolores, Eagle, Garfield, La Plata, Mesa and 5 more30 hr
Apr 16, 2:13 PM MDTRed Flag WarningBOUArapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 2 more29 hr
Apr 20, 12:58 PM MDTRed Flag WarningBOUElbert, Lincoln, Logan, Morgan, Phillips, Sedgwick and 2 more30 hr
Apr 20, 1:30 PM MDTRed Flag WarningGLDCheyenne, Kit Carson, Yuma31 hr
Apr 20, 2:03 PM MDTRed Flag WarningGJTDelta, Garfield, Mesa, Montrose, Ouray30 hr
Apr 24, 2:04 AM MDTRed Flag WarningGJTDelta, Dolores, Eagle, Garfield, La Plata, Mesa and 5 more42 hr
Apr 24, 2:19 PM MDTRed Flag WarningPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache30 hr
Apr 25, 2:52 AM MDTRed Flag WarningGJTDelta, Dolores, Eagle, Garfield, La Plata, Mesa and 5 more41 hr
Apr 25, 2:38 PM MDTRed Flag WarningPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache29 hr
Apr 26, 2:05 AM MDTRed Flag WarningGJTDelta, Dolores, Eagle, Garfield, La Plata, Mesa and 5 more42 hr
Apr 26, 1:23 PM MDTRed Flag WarningGLDCheyenne, Kit Carson, Yuma30 hr
Apr 26, 1:58 PM MDTRed Flag WarningBOUAdams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 5 more30 hr
Apr 26, 2:33 PM MDTRed Flag WarningPUBAlamosa, Bent, Conejos, Costilla, Crowley, El Paso and 8 more30 hr
Apr 27, 1:05 AM MDTRed Flag WarningPUBAlamosa, Bent, Conejos, Costilla, Crowley, El Paso and 7 more43 hr
Apr 27, 10:39 AM MDTRed Flag WarningGLDCheyenne, Kit Carson32 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

12 more counties

Nearby

Alerts in force nowTornadoes on recordThe 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.