Alert archive / Colorado / Winter Storm Warnings

Winter Storm Warnings in Colorado, 2021

38 winter storm warnings in 2021. 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 winter storm warnings reaches back to 2005.

Winter Storm Warnings by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Winter Storm Warnings
38
Busiest month
December14 winter storm warnings
Busiest day
December 8, 20213 winter storm 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.

IssuedProductOfficeCountiesLasted
Jan 18, 1:40 PM MSTWinter Storm WarningGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more27 hr
Jan 18, 2:48 PM MSTWinter Storm WarningPUBConejos, Costilla, Huerfano, Las Animas, Mineral, Rio Grande23 hr
Feb 3, 3:27 PM MSTWinter Storm WarningBOUBoulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more17 hr
Feb 4, 3:13 AM MSTWinter Storm WarningGJTMoffat, Routt50 hr
Feb 4, 3:30 AM MSTWinter Storm WarningBOUGrand, Jackson50 hr
Feb 12, 2:14 PM MSTWinter Storm WarningGJTArchuleta, Delta, Dolores, Garfield, Gunnison, Hinsdale and 6 more51 hr
Feb 12, 3:14 PM MSTWinter Storm WarningPUBAlamosa, Baca, Bent, Chaffee, Conejos, Costilla and 10 more48 hr
Feb 13, 12:55 PM MSTWinter Storm WarningGLDCheyenne, Kit Carson22 hr
Feb 17, 4:17 AM MSTWinter Storm WarningPUBCostilla, Huerfano, Las Animas25 hr
Feb 24, 10:19 PM MSTWinter Storm WarningBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 1 more10 hr
Mar 11, 2:29 PM MSTWinter Storm WarningBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more4 days
Mar 11, 2:57 PM MSTWinter Storm WarningPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 6 more3 days
Mar 12, 3:47 AM MSTWinter Storm WarningGJTDelta, Eagle, Garfield, Gunnison, Hinsdale, Montrose and 3 more3 days
Mar 15, 9:36 PM MDTWinter Storm WarningPUBAlamosa, Chaffee, Costilla, Custer, Fremont, Huerfano and 3 more34 hr
Mar 20, 2:11 PM MDTWinter Storm WarningBOUArapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 6 more44 hr
Mar 21, 4:02 AM MDTWinter Storm WarningPUBCuster, El Paso, Fremont, Huerfano, Pueblo, Teller31 hr
Mar 23, 3:55 AM MDTWinter Storm WarningPUBCostilla, Huerfano, Las Animas38 hr
Apr 19, 4:26 AM MDTWinter Storm WarningBOUBoulder, Broomfield, Grand, Jackson, Jefferson, Larimer23 hr
Apr 27, 3:16 AM MDTWinter Storm WarningBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more30 hr
May 2, 3:42 AM MDTWinter Storm WarningBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more34 hr
May 2, 4:01 AM MDTWinter Storm WarningPUBCuster, El Paso, Huerfano, Pueblo, Teller40 hr
May 9, 2:19 PM MDTWinter Storm WarningBOUBoulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more52 hr
Oct 11, 4:14 AM MDTWinter Storm WarningPUBConejos, Mineral, Rio Grande44 hr
Oct 11, 2:34 PM MDTWinter Storm WarningGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more33 hr
Dec 8, 11:25 AM MSTWinter Storm WarningBOUBoulder, Grand, Jackson, Larimer54 hr
Dec 8, 12:16 PM MSTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more54 hr
Dec 8, 12:54 PM MSTWinter Storm WarningPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache52 hr
Dec 13, 2:31 PM MSTWinter Storm WarningGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more47 hr
Dec 13, 3:17 PM MSTWinter Storm WarningPUBConejos, Mineral, Rio Grande47 hr
Dec 22, 3:34 AM MSTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more3 days
Dec 22, 2:33 PM MSTWinter Storm WarningBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more68 hr
Dec 22, 3:09 PM MSTWinter Storm WarningPUBChaffee, Conejos, Costilla, Huerfano, Lake, Las Animas and 3 more67 hr
Dec 25, 1:48 PM MSTWinter Storm WarningBOUGrand, Jackson66 hr
Dec 25, 2:56 PM MSTWinter Storm WarningPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache4 days
Dec 25, 2:59 PM MSTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more4 days
Dec 29, 1:18 PM MSTWinter Storm WarningBOUBoulder, Broomfield, Clear Creek, Douglas, Gilpin, Grand and 6 more70 hr
Dec 29, 2:45 PM MSTWinter Storm WarningPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more3 days
Dec 29, 2:53 PM MSTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more72 hr

By county

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

16 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. December 8, 20213winter storm warnings
  2. December 22, 20213winter storm warnings
  3. December 25, 20213winter storm warnings
  4. December 29, 20213winter storm warnings
  5. January 18, 20212winter storm warnings
  6. February 4, 20212winter storm warnings
  7. February 12, 20212winter storm warnings
  8. March 11, 20212winter storm warnings
  9. May 2, 20212winter storm warnings
  10. October 11, 20212winter storm warnings
  11. December 13, 20212winter storm warnings
  12. February 3, 20211winter storm warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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. Rebuilt daily.