Alert archive / Colorado / Winter Storm Watches

Winter Storm Watches in Colorado, 2021

37 winter storm watches 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 watches reaches back to 2005.

Winter Storm Watches by county

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

Winter Storm Watches
37
Busiest month
December17 winter storm watches
Busiest day
February 12, 20213 winter storm watches

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 17, 3:47 AM MSTWinter Storm WatchPUBConejos, Costilla, Huerfano, Las Animas, Mineral, Rio Grande17 hr
Feb 12, 2:13 AM MSTWinter Storm WatchGLDCheyenne, Kit Carson, Yuma24 hr
Feb 12, 3:10 AM MSTWinter Storm WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more11 hr
Feb 12, 4:01 AM MSTWinter Storm WatchPUBAlamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more24 hr
Feb 23, 4:15 AM MSTWinter Storm WatchPUBCostilla, Custer, El Paso, Fremont, Huerfano, Las Animas and 2 more11 hr
Mar 10, 2:40 PM MSTWinter Storm WatchBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 16 more48 hr
Mar 11, 3:22 AM MSTWinter Storm WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more24 hr
Mar 11, 3:55 AM MSTWinter Storm WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more35 hr
Mar 15, 3:56 AM MDTWinter Storm WatchPUBAlamosa, Baca, Chaffee, Costilla, Custer, Fremont and 4 more31 hr
Mar 20, 2:11 PM MDTWinter Storm WatchBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 2 more13 hr
Mar 20, 2:52 PM MDTWinter Storm WatchPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more13 hr
Mar 22, 2:57 PM MDTWinter Storm WatchPUBConejos, Costilla, Huerfano, Las Animas, Mineral, Rio Grande13 hr
Apr 14, 2:19 PM MDTWinter Storm WatchGLDKit Carson, Yuma12 hr
Apr 18, 4:35 AM MDTWinter Storm WatchBOUBoulder, Grand, Jackson, Larimer9 hr
Apr 26, 3:10 PM MDTWinter Storm WatchBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more12 hr
May 1, 3:56 AM MDTWinter Storm WatchBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more24 hr
May 9, 3:40 AM MDTWinter Storm WatchBOUBoulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more11 hr
May 9, 2:46 PM MDTWinter Storm WatchPUBEl Paso, Fremont, Teller18 hr
Oct 10, 2:15 PM MDTWinter Storm WatchGJTArchuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more14 hr
Oct 10, 2:21 PM MDTWinter Storm WatchPUBConejos, Mineral, Rio Grande14 hr
Dec 7, 1:47 PM MSTWinter Storm WatchBOUBoulder, Grand, Jackson, Larimer22 hr
Dec 7, 2:56 PM MSTWinter Storm WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more21 hr
Dec 7, 3:01 PM MSTWinter Storm WatchPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache22 hr
Dec 8, 12:16 PM MSTWinter Storm WatchGJTArchuleta, Dolores, Eagle, Garfield, La Plata, Mesa and 3 more24 hr
Dec 13, 4:01 AM MSTWinter Storm WatchPUBConejos, Mineral, Rio Grande11 hr
Dec 13, 4:20 AM MSTWinter Storm WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more10 hr
Dec 22, 2:47 AM MSTWinter Storm WatchBOUBoulder, Grand, Jackson, Larimer12 hr
Dec 22, 3:56 AM MSTWinter Storm WatchPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache11 hr
Dec 25, 2:59 AM MSTWinter Storm WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more12 hr
Dec 25, 3:28 AM MSTWinter Storm WatchPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache11 hr
Dec 25, 3:46 AM MSTWinter Storm WatchBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more10 hr
Dec 26, 2:52 PM MSTWinter Storm WatchPUBConejos, Mineral, Rio Grande13 hr
Dec 28, 1:48 PM MSTWinter Storm WatchGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more25 hr
Dec 28, 1:59 PM MSTWinter Storm WatchBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more23 hr
Dec 28, 2:48 PM MSTWinter Storm WatchPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache24 hr
Dec 29, 2:45 PM MSTWinter Storm WatchPUBAlamosa, Costilla, Custer, Fremont, Huerfano, Las Animas and 1 more24 hr
Dec 30, 3:00 AM MSTWinter Storm WatchBOUBoulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 3 more11 hr

By county

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

24 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. February 12, 20213winter storm watches
  2. December 7, 20213winter storm watches
  3. December 25, 20213winter storm watches
  4. December 28, 20213winter storm watches
  5. March 11, 20212winter storm watches
  6. March 20, 20212winter storm watches
  7. May 9, 20212winter storm watches
  8. October 10, 20212winter storm watches
  9. December 13, 20212winter storm watches
  10. December 22, 20212winter storm watches
  11. January 17, 20211winter storm watches
  12. February 23, 20211winter storm watches

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.