Alert archive / Colorado / 2026
Weather alerts in Colorado, March 2026
125 weather alerts in March 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in March 2026. Tap one for its archive.
- Alerts
- 125
- Warnings
- 53
- Watches
- 47
- Advisories
- 14
- Busiest day
- March 15, 202612 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 11:48 PM MST | Fire Weather Watch | PUB | Huerfano, Las Animas | 12 hr |
| Mar 1, 11:35 AM MST | Fire Weather Watch | PUB | Huerfano, Las Animas | 24 hr |
| Mar 1, 11:35 AM MST | Red Flag Warning | PUB | Fremont, Huerfano, Las Animas | 31 hr |
| Mar 2, 11:32 AM MST | Red Flag Warning | PUB | Huerfano, Las Animas | 29 hr |
| Mar 2, 10:32 PM MST | Dense Fog Advisory | GLD | Cheyenne, Kit Carson, Yuma | 11 hr |
| Mar 3, 3:51 AM MST | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 11 hr |
| Mar 3, 11:34 AM MST | Fire Weather Watch | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 24 hr |
| Mar 3, 12:19 PM MST | Fire Weather Watch | GLD | Cheyenne, Kit Carson | 36 hr |
| Mar 3, 12:52 PM MST | Fire Weather Watch | BOU | Adams, Arapahoe, Douglas, Elbert, Lincoln | 23 hr |
| Mar 3, 1:03 PM MST | Special Weather Statement | PUB | El Paso | 27 min |
| Mar 4, 11:33 AM MST | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 31 hr |
| Mar 4, 11:41 AM MST | Red Flag Warning | BOU | Arapahoe, Douglas, Elbert, Lincoln | 30 hr |
| Mar 4, 12:30 PM MST | Winter Storm Watch | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 11 hr |
| Mar 4, 12:30 PM MST | Winter Weather Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more | 58 hr |
| Mar 4, 12:37 PM MST | Winter Weather Advisory | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 59 hr |
| Mar 4, 11:03 PM MST | Winter Storm Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 46 hr |
| Mar 4, 11:39 PM MST | Winter Weather Advisory | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 48 hr |
| Mar 4, 11:52 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 18 hr |
| Mar 6, 3:36 PM MST | Mesoscale Discussion | SPC | Adams, Arapahoe, Elbert, Logan, Morgan, Phillips and 3 more | 4 hr |
| Mar 7, 11:44 AM MST | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, El Paso, Fremont, Huerfano and 4 more | 24 hr |
| Mar 7, 11:44 AM MST | Red Flag Warning | PUB | Huerfano, Las Animas | 30 hr |
| Mar 8, 12:34 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Crowley, El Paso, Fremont and 5 more | 30 hr |
| Mar 9, 12:30 AM MDT | Fire Weather Watch | PUB | Fremont | 12 hr |
| Mar 9, 12:40 PM MDT | Red Flag Warning | PUB | Fremont | 30 hr |
| Mar 10, 2:26 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 3 more | 11 hr |
| Mar 10, 9:51 AM MDT | High Wind Watch | BOU | Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Grand and 6 more | 38 hr |
| Mar 10, 1:03 PM MDT | Fire Weather Watch | GLD | Cheyenne, Kit Carson, Yuma | 24 hr |
| Mar 10, 1:06 PM MDT | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more | 24 hr |
| Mar 11, 12:31 AM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Crowley, El Paso, Fremont and 6 more | 12 hr |
| Mar 11, 12:31 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Rio Grande and 1 more | 18 hr |
| Mar 11, 10:24 AM MDT | Wind Advisory | GJT | Eagle, Garfield, Gunnison, Moffat, Montrose, Pitkin and 2 more | 34 hr |
| Mar 11, 12:45 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Mar 11, 1:00 PM MDT | High Wind Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 6 more | 47 hr |
| Mar 11, 1:00 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 10 more | 32 hr |
| Mar 11, 1:22 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 32 hr |
| Mar 11, 11:23 PM MDT | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more | 13 hr |
| Mar 12, 12:31 AM MDT | Fire Weather Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, El Paso, Fremont and 6 more | 11 hr |
| Mar 12, 12:53 AM MDT | Fire Weather Watch | GLD | Kit Carson, Yuma | 11 hr |
| Mar 12, 11:36 AM MDT | Fire Weather Watch | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more | 13 hr |
| Mar 12, 11:36 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Crowley, Custer and 9 more | 32 hr |
| Mar 12, 12:15 PM MDT | Red Flag Warning | GLD | Kit Carson, Yuma | 31 hr |
| Mar 12, 12:50 PM MDT | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more | 8 hr |
| Mar 12, 12:50 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 31 hr |
| Mar 12, 8:58 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 48 hr |
| Mar 12, 11:12 PM MDT | Winter Weather Advisory | BOU | Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 6 more | 61 hr |
| Mar 13, 12:33 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 45 hr |
| Mar 13, 1:31 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 41 hr |
| Mar 13, 10:57 AM MDT | Wind Advisory | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, La Plata and 8 more | 56 hr |
| Mar 13, 11:08 AM MDT | Winter Weather Advisory | GJT | Eagle, Garfield, Moffat, Pitkin, Routt | 46 hr |
| Mar 13, 11:25 AM MDT | High Wind Watch | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 7 more | 27 hr |
| Mar 13, 11:49 AM MDT | High Wind Watch | GLD | Cheyenne, Kit Carson, Yuma | 23 hr |
| Mar 13, 12:01 PM MDT | High Wind Watch | PUB | Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 11 more | 23 hr |
| Mar 13, 11:28 PM MDT | High Wind Warning | PUB | Alamosa, Baca, Bent, Chaffee, Costilla, Crowley and 11 more | 44 hr |
| Mar 13, 11:49 PM MDT | Winter Weather Advisory | PUB | Chaffee, Lake, Saguache | 38 hr |
| Mar 14, 12:01 AM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 12 hr |
| Mar 14, 11:06 AM MDT | High Wind Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Mar 14, 12:26 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 32 hr |
| Mar 14, 2:27 PM MDT | High Wind Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 7 more | 25 hr |
| Mar 14, 11:36 PM MDT | Special Weather Statement | BOU | Weld | 39 min |
| Mar 15, 12:53 AM MDT | Special Weather Statement | BOU | Larimer | 52 min |
| Mar 15, 1:16 AM MDT | Special Weather Statement | BOU | Broomfield | 44 min |
| Mar 15, 1:19 AM MDT | Special Weather Statement | BOU | Morgan | 41 min |
| Mar 15, 1:57 AM MDT | Special Weather Statement | BOU | Adams, Broomfield, Denver, Jefferson | 48 min |
| Mar 15, 2:00 AM MDT | Special Weather Statement | BOU | Arapahoe, Elbert | 45 min |
| Mar 15, 2:18 AM MDT | Special Weather Statement | BOU | Douglas | 42 min |
| Mar 15, 2:58 AM MDT | Special Weather Statement | GLD | Kit Carson | 47 min |
| Mar 15, 3:41 AM MDT | Special Weather Statement | GLD | Kit Carson | 49 min |
| Mar 15, 7:44 AM MDT | Blowing Dust Warning | GLD | Cheyenne, Kit Carson, Yuma | 6 hr |
| Mar 15, 9:21 AM MDT | Dust Storm Warning | PUB | Alamosa | 24 min |
| Mar 15, 10:04 AM MDT | Blowing Dust Advisory | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 8 hr |
| Mar 15, 10:38 PM MDT | Fire Weather Watch | BOU | Larimer, Logan, Weld | 15 hr |
| Mar 16, 3:02 AM MDT | High Wind Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jefferson, Park and 1 more | 11 hr |
| Mar 16, 12:56 PM MDT | Fire Weather Watch | GLD | Kit Carson | 12 hr |
| Mar 16, 12:56 PM MDT | Red Flag Warning | GLD | Yuma | 29 hr |
| Mar 16, 1:55 PM MDT | Red Flag Warning | BOU | Larimer, Logan, Morgan, Phillips, Sedgwick, Washington and 1 more | 30 hr |
| Mar 16, 11:49 PM MDT | Fire Weather Watch | BOU | Larimer, Logan, Morgan, Phillips, Sedgwick, Washington and 1 more | 13 hr |
| Mar 17, 12:35 AM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Fremont, Rio Grande, Saguache | 13 hr |
| Mar 17, 12:37 AM MDT | Fire Weather Watch | GLD | Kit Carson, Yuma | 22 hr |
| Mar 17, 1:09 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more | 30 hr |
| Mar 17, 1:13 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Fremont, Rio Grande, Saguache | 31 hr |
| Mar 17, 10:26 PM MDT | Fire Weather Watch | BOU | Larimer, Weld | 14 hr |
| Mar 17, 10:27 PM MDT | Red Flag Warning | GLD | Yuma | 19 hr |
| Mar 18, 12:29 PM MDT | Red Flag Warning | BOU | Larimer, Weld | 31 hr |
| Mar 18, 7:06 PM MDT | Red Flag Warning | BOU | Larimer, Logan, Weld | 54 min |
| Mar 19, 1:49 AM MDT | Fire Weather Watch | GLD | Yuma | 35 hr |
| Mar 19, 2:16 AM MDT | Fire Weather Watch | BOU | Larimer, Weld | 12 hr |
| Mar 19, 2:16 AM MDT | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 15 more | 35 hr |
| Mar 19, 11:39 AM MDT | Fire Weather Watch | GJT | Moffat, Rio Blanco, Routt | 24 hr |
| Mar 19, 1:56 PM MDT | Fire Weather Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 11 hr |
| Mar 19, 1:57 PM MDT | Red Flag Warning | BOU | Larimer, Weld | 29 hr |
| Mar 20, 12:36 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Chaffee, Conejos, Costilla, Custer and 10 more | 46 hr |
| Mar 20, 11:40 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco, Routt | 32 hr |
| Mar 20, 12:46 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 33 hr |
| Mar 22, 12:32 AM MDT | Fire Weather Watch | PUB | Costilla, Custer, Huerfano, Las Animas, Pueblo, Saguache | 12 hr |
| Mar 22, 12:46 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Huerfano, Las Animas and 3 more | 30 hr |
| Mar 23, 11:41 AM MDT | Fire Weather Watch | GJT | Moffat, Rio Blanco, Routt | 23 hr |
| Mar 23, 11:41 AM MDT | Fire Weather Watch | GJT | Moffat, Rio Blanco, Routt | 47 hr |
| Mar 23, 1:13 PM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Custer, El Paso, Fremont and 6 more | 34 hr |
| Mar 24, 11:03 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 33 hr |
| Mar 24, 11:46 AM MDT | Fire Weather Watch | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 13 more | 25 hr |
| Mar 24, 11:46 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Fremont, Rio Grande, Saguache | 31 hr |
| Mar 25, 10:37 AM MDT | Fire Weather Watch | GLD | Cheyenne, Kit Carson | 12 hr |
| Mar 25, 11:03 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 33 hr |
| Mar 25, 11:58 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln, Park | 30 hr |
| Mar 25, 12:18 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 32 hr |
| Mar 25, 10:51 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 20 hr |
| Mar 26, 1:40 PM MDT | Fire Weather Watch | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 12 more | 23 hr |
| Mar 26, 10:37 PM MDT | Fire Weather Watch | GLD | Cheyenne, Kit Carson, Yuma | 10 hr |
| Mar 27, 1:41 AM MDT | Fire Weather Watch | GJT | Moffat, Rio Blanco | 9 hr |
| Mar 27, 9:00 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 34 hr |
| Mar 27, 11:10 AM MDT | Fire Weather Watch | GJT | Eagle, Garfield, Mesa, Moffat, Pitkin, Rio Blanco | 35 hr |
| Mar 27, 11:10 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 33 hr |
| Mar 27, 12:57 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 12 more | 31 hr |
| Mar 27, 9:43 PM MDT | Red Flag Warning | GJT | Eagle, Garfield, Mesa, Moffat, Pitkin, Rio Blanco | 46 hr |
| Mar 28, 2:36 PM MDT | Fire Weather Watch | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 23 hr |
| Mar 28, 10:00 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Mesa, Moffat, Montrose and 5 more | 46 hr |
| Mar 29, 3:00 AM MDT | Fire Weather Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 6 more | 9 hr |
| Mar 29, 12:19 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more | 32 hr |
| Mar 29, 1:57 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 11 more | 30 hr |
| Mar 30, 11:40 AM MDT | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 57 hr |
| Mar 30, 11:56 AM MDT | Winter Weather Advisory | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 57 hr |
| Mar 30, 12:06 PM MDT | Winter Weather Advisory | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 57 hr |
| Mar 31, 1:01 PM MDT | Fire Weather Watch | GLD | Cheyenne, Kit Carson, Yuma | 35 hr |
| Mar 31, 1:03 PM MDT | Fire Weather Watch | BOU | Elbert, Lincoln | 35 hr |
| Mar 31, 1:15 PM MDT | Fire Weather Watch | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 23 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 10 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 10 |
| Wind and dust | |
| Blowing Dust Warning | 1 |
| Dust Storm Warning | 1 |
| High Wind Warning | 5 |
| High Wind Watch | 4 |
| Blowing Dust Advisory | 1 |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 45 |
| Fire Weather Watch | 42 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saguache County33
- Alamosa County31
- Costilla County31
- Huerfano County30
- Las Animas County30
- Larimer County29
- Conejos County29
- Rio Grande County29
- Fremont County28
- Weld County26
- Pueblo County25
- El Paso County24
- Jefferson County22
- Douglas County22
- Boulder County21
- Kit Carson County20
- Arapahoe County20
- Adams County18
- Broomfield County18
- Custer County17
- Elbert County17
- Logan County17
- Denver County16
- Moffat County16
- Yuma County15
- Baca County15
- Crowley County15
- Rio Blanco County15
- Chaffee County15
- Lake County15
- Morgan County15
- Cheyenne County14
- Park County14
- Bent County14
- Otero County14
- Prowers County14
- Clear Creek County13
- Gilpin County13
- Kiowa County13
- Washington County13
24 more counties
- Grand County12
- Summit County12
- Teller County12
- Sedgwick County12
- Jackson County11
- Lincoln County11
- Phillips County11
- Routt County10
- Eagle County8
- Garfield County8
- Pitkin County8
- Mesa County6
- Montrose County5
- Delta County4
- Gunnison County4
- San Miguel County4
- Mineral County4
- Dolores County3
- La Plata County3
- Montezuma County3
- Ouray County3
- Archuleta County2
- Hinsdale County2
- San Juan County2
Nearby
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.