Alert archive / Colorado / Red Flag Warnings
Red Flag Warnings in Colorado, 2026
210 red flag warnings in 2026. 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 2026. Tap one for its archive.
- Red Flag Warnings
- 210
- Busiest month
- June55 red flag warnings
- Busiest day
- April 2, 20265 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 3, 1:38 PM MST | Red Flag Warning | PUB | El Paso, Fremont, Huerfano, Pueblo, Teller | 27 hr |
| Jan 3, 2:00 PM MST | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 1 more | 27 hr |
| Jan 4, 2:08 PM MST | Red Flag Warning | PUB | Crowley, El Paso, Huerfano, Las Animas, Otero, Pueblo | 27 hr |
| Jan 6, 3:03 AM MST | Red Flag Warning | BOU | Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 1 more | 14 hr |
| Jan 6, 10:16 AM MST | Red Flag Warning | PUB | El Paso, Fremont, Huerfano, Pueblo, Teller | 7 hr |
| Jan 14, 1:19 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 40 hr |
| Jan 14, 1:47 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 8 more | 28 hr |
| Jan 15, 10:01 AM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 32 hr |
| Jan 15, 12:56 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 29 hr |
| Jan 15, 2:01 PM MST | Red Flag Warning | PUB | Kiowa, Prowers | 27 hr |
| Jan 16, 2:15 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Elbert, Lincoln, Logan, Morgan and 4 more | 27 hr |
| Jan 17, 12:04 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| Jan 17, 2:52 AM MST | Red Flag Warning | PUB | Baca, Bent, Kiowa, Prowers | 15 hr |
| Jan 19, 2:06 PM MST | Red Flag Warning | PUB | Chaffee, Costilla, Custer, El Paso, Fremont, Huerfano and 5 more | 29 hr |
| Jan 20, 2:02 AM MST | Red Flag Warning | BOU | Logan, Phillips, Sedgwick | 12 hr |
| Jan 21, 3:03 AM MST | Red Flag Warning | PUB | Chaffee, El Paso, Fremont, Lake, Teller | 15 hr |
| Feb 6, 12:05 PM MST | Red Flag Warning | BOU | Larimer, Logan, Morgan, Phillips, Sedgwick, Washington and 1 more | 29 hr |
| Feb 6, 12:09 PM MST | Red Flag Warning | GLD | Yuma | 29 hr |
| Feb 8, 2:01 PM MST | Red Flag Warning | PUB | Baca, Chaffee, Costilla, Custer, El Paso, Fremont and 6 more | 28 hr |
| Feb 8, 10:55 PM MST | Red Flag Warning | BOU | Larimer, Weld | 18 hr |
| Feb 9, 11:59 AM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 5 hr |
| Feb 14, 11:46 AM MST | Red Flag Warning | BOU | Elbert, Lincoln, Phillips, Sedgwick, Washington | 29 hr |
| Feb 14, 12:07 PM MST | Red Flag Warning | GLD | Kit Carson, Yuma | 29 hr |
| Feb 15, 11:26 AM MST | Red Flag Warning | BOU | Adams, Arapahoe, Clear Creek, Douglas, Elbert, Gilpin and 4 more | 31 hr |
| Feb 15, 12:10 PM MST | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, El Paso, Fremont, Huerfano and 5 more | 30 hr |
| Feb 15, 10:39 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 45 hr |
| Feb 16, 12:47 AM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 42 hr |
| Feb 16, 12:13 PM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 31 hr |
| Feb 17, 10:19 AM MST | Red Flag Warning | BOU | Elbert, Lincoln | 33 hr |
| Feb 17, 11:52 AM MST | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Kiowa, Las Animas and 3 more | 31 hr |
| Feb 17, 9:24 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 20 hr |
| Feb 18, 11:36 AM MST | Red Flag Warning | PUB | El Paso, Fremont, Huerfano, Las Animas, Pueblo | 31 hr |
| Feb 23, 11:37 AM MST | Red Flag Warning | PUB | Baca, Crowley, El Paso, Fremont, Huerfano, Las Animas and 3 more | 30 hr |
| Feb 23, 11:59 AM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 7 more | 29 hr |
| Feb 24, 11:48 AM MST | Red Flag Warning | PUB | Crowley, El Paso, Huerfano, Las Animas, Otero, Pueblo | 29 hr |
| Feb 24, 11:57 AM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 30 hr |
| Feb 24, 12:18 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 31 hr |
| Feb 25, 11:41 AM MST | Red Flag Warning | PUB | El Paso, Fremont, Huerfano, Las Animas, Pueblo | 30 hr |
| Feb 26, 11:04 AM MST | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 6 more | 31 hr |
| Feb 26, 11:34 AM MST | Red Flag Warning | PUB | El Paso, Fremont, Huerfano, Las Animas, Pueblo, Teller | 30 hr |
| Feb 27, 11:06 AM MST | Red Flag Warning | BOU | Larimer, Logan, Weld | 31 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 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, 11:52 PM MST | Red Flag Warning | GLD | Cheyenne, Kit Carson | 18 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, 12:40 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 11, 12:31 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Rio Grande and 1 more | 18 hr |
| Mar 11, 12:45 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 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 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 | 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 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 14, 12:26 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 32 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 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, 10:27 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, 1:57 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, 12:46 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Custer, Huerfano, Las Animas and 3 more | 30 hr |
| Mar 24, 11:03 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 33 hr |
| Mar 24, 11:46 AM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Fremont, Rio Grande, Saguache | 31 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 27, 9:00 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 34 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, 10:00 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Mesa, Moffat, Montrose and 5 more | 46 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 |
| Apr 1, 12:18 PM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 32 hr |
| Apr 1, 11:58 PM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 20 hr |
| Apr 2, 12:02 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 18 hr |
| Apr 2, 12:57 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 30 hr |
| Apr 2, 12:58 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 30 hr |
| Apr 2, 2:51 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 10 more | 29 hr |
| Apr 5, 12:57 PM MDT | Red Flag Warning | PUB | Baca | 31 hr |
| Apr 9, 10:08 PM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Rio Blanco | 22 hr |
| Apr 10, 11:47 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 45 hr |
| Apr 11, 10:31 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 21 hr |
| Apr 11, 11:13 PM MDT | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 5 more | 21 hr |
| Apr 12, 12:12 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 45 hr |
| Apr 12, 11:50 AM MDT | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 4 more | 32 hr |
| Apr 13, 12:18 AM MDT | Red Flag Warning | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 44 hr |
| Apr 13, 11:54 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln | 32 hr |
| Apr 13, 9:02 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 23 hr |
| Apr 15, 11:43 AM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Clear Creek, Douglas, Elbert, Gilpin and 4 more | 33 hr |
| Apr 15, 12:35 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 34 hr |
| Apr 15, 11:15 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 21 hr |
| Apr 16, 12:44 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Conejos, Costilla, Las Animas, Rio Grande and 1 more | 29 hr |
| Apr 17, 11:33 PM MDT | Red Flag Warning | BOU | Logan, Morgan, Phillips, Sedgwick, Washington, Weld | 19 hr |
| Apr 18, 12:31 AM MDT | Red Flag Warning | GLD | Yuma | 18 hr |
| Apr 18, 12:35 PM MDT | Red Flag Warning | PUB | Baca | 32 hr |
| Apr 19, 12:35 PM MDT | Red Flag Warning | PUB | Baca, Prowers | 30 hr |
| Apr 20, 12:16 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 71 hr |
| Apr 20, 8:48 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 51 hr |
| Apr 20, 10:17 PM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 47 hr |
| Apr 21, 10:55 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 37 hr |
| Apr 22, 12:20 AM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 44 hr |
| Apr 22, 11:04 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 32 hr |
| Apr 22, 12:22 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more | 31 hr |
| Apr 23, 10:13 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 34 hr |
| Apr 23, 12:15 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more | 32 hr |
| Apr 23, 1:41 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 10 more | 30 hr |
| Apr 23, 10:08 PM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 22 hr |
| Apr 24, 10:31 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Huerfano, Lake and 3 more | 33 hr |
| Apr 26, 1:17 AM MDT | Red Flag Warning | PUB | Baca, Las Animas | 19 hr |
| Apr 27, 1:16 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 30 hr |
| May 8, 10:55 AM MDT | Red Flag Warning | GJT | Moffat | 33 hr |
| May 11, 10:29 PM MDT | Red Flag Warning | GJT | Delta, Moffat, Montrose, Ouray, Rio Blanco, San Miguel | 47 hr |
| May 12, 10:11 PM MDT | Red Flag Warning | GJT | Delta, Gunnison, Hinsdale | 46 hr |
| May 13, 11:43 AM MDT | Red Flag Warning | BOU | Larimer, Logan, Phillips, Sedgwick, Weld | 33 hr |
| May 13, 1:33 PM MDT | Red Flag Warning | PUB | Chaffee, Costilla, Custer, Fremont, Huerfano, Lake and 3 more | 29 hr |
| May 14, 10:38 AM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 3 more | 33 hr |
| May 15, 10:39 AM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Mesa, Montrose, Ouray and 2 more | 33 hr |
| May 15, 1:19 PM MDT | Red Flag Warning | PUB | Baca, Bent, Chaffee, Costilla, Crowley, Custer and 7 more | 31 hr |
| May 16, 11:53 AM MDT | Red Flag Warning | PUB | Baca, Bent, Costilla, Crowley, Custer, Fremont and 7 more | 33 hr |
| May 17, 12:57 PM MDT | Red Flag Warning | PUB | Baca, Las Animas | 30 hr |
| May 20, 8:42 PM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, Montrose, San Miguel | 24 hr |
| May 21, 9:56 PM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 22 hr |
| May 26, 11:51 AM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, Montrose, San Miguel | 32 hr |
| May 27, 12:12 PM MDT | Red Flag Warning | GJT | Delta, Dolores, La Plata, Montezuma, Montrose, Ouray and 1 more | 32 hr |
| May 28, 11:19 AM MDT | Red Flag Warning | GJT | Delta, Dolores, La Plata, Montezuma, Montrose, Ouray and 1 more | 33 hr |
| Jun 3, 10:10 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 33 hr |
| Jun 5, 10:47 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Garfield, La Plata, Mesa, Moffat and 5 more | 34 hr |
| Jun 5, 10:47 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 59 hr |
| Jun 5, 1:00 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Logan, Morgan, Weld | 30 hr |
| Jun 6, 12:35 PM MDT | Red Flag Warning | PUB | Fremont, Huerfano | 32 hr |
| Jun 7, 11:38 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 33 hr |
| Jun 7, 11:38 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 58 hr |
| Jun 7, 12:33 PM MDT | Red Flag Warning | PUB | Fremont, Huerfano, Pueblo | 30 hr |
| Jun 8, 11:17 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 59 hr |
| Jun 8, 1:03 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 7 more | 32 hr |
| Jun 8, 3:37 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Conejos, Costilla, Crowley, Fremont and 5 more | 28 hr |
| Jun 9, 1:32 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson, Yuma | 18 hr |
| Jun 9, 12:57 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 6 more | 31 hr |
| Jun 9, 1:24 PM MDT | Red Flag Warning | PUB | Alamosa, Bent, Conejos, Costilla, Fremont, Huerfano and 6 more | 31 hr |
| Jun 10, 12:43 AM MDT | Red Flag Warning | GLD | Cheyenne, Kit Carson | 19 hr |
| Jun 10, 11:51 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 3 more | 32 hr |
| Jun 10, 12:45 PM MDT | Red Flag Warning | PUB | Bent, Crowley, Fremont, Huerfano, Kiowa, Las Animas and 2 more | 31 hr |
| Jun 11, 10:23 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 35 hr |
| Jun 11, 2:57 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Fremont, Huerfano and 5 more | 29 hr |
| Jun 12, 1:12 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 1 more | 31 hr |
| Jun 12, 2:32 PM MDT | Red Flag Warning | PUB | Chaffee, Lake, Pueblo | 28 hr |
| Jun 14, 11:34 AM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Mesa, Montrose, Ouray and 1 more | 32 hr |
| Jun 15, 10:36 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 9 more | 34 hr |
| Jun 15, 3:36 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Fremont, Lake and 3 more | 29 hr |
| Jun 16, 11:38 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more | 32 hr |
| Jun 16, 11:46 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 33 hr |
| Jun 16, 1:04 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 32 hr |
| Jun 17, 1:25 PM MDT | Red Flag Warning | PUB | Chaffee, Lake | 30 hr |
| Jun 19, 11:08 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Crowley, Custer and 11 more | 35 hr |
| Jun 19, 11:29 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more | 34 hr |
| Jun 19, 11:41 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 34 hr |
| Jun 20, 11:03 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Fremont, Lake and 3 more | 35 hr |
| Jun 20, 10:41 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Gunnison, Hinsdale, La Plata and 5 more | 45 hr |
| Jun 21, 12:46 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Mineral and 2 more | 43 hr |
| Jun 22, 11:46 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 34 hr |
| Jun 22, 12:18 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Park and 1 more | 32 hr |
| Jun 22, 1:09 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Fremont, Lake and 3 more | 32 hr |
| Jun 23, 12:05 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more | 30 hr |
| Jun 23, 2:04 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Rio Grande and 1 more | 29 hr |
| Jun 24, 1:01 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 3 days |
| Jun 25, 11:08 AM MDT | Red Flag Warning | GJT | Dolores, Garfield, La Plata, Mesa, Moffat, Montezuma and 3 more | 61 hr |
| Jun 26, 12:24 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 48 hr |
| Jun 26, 10:00 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 35 hr |
| Jun 26, 10:58 AM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 59 hr |
| Jun 27, 12:45 PM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 32 hr |
| Jun 27, 1:11 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 32 hr |
| Jun 28, 12:07 AM MDT | Red Flag Warning | GJT | Delta, Dolores, La Plata, Montezuma, Montrose, Ouray and 1 more | 3 hr |
| Jun 28, 12:40 PM MDT | Red Flag Warning | BOU | Arapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 5 more | 32 hr |
| Jun 28, 12:50 PM MDT | Red Flag Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more | 33 hr |
| Jun 28, 10:04 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 11 more | 22 hr |
| Jun 29, 8:36 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Crowley, Custer and 11 more | 36 hr |
| Jun 29, 11:43 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 10 more | 33 hr |
| Jun 29, 12:48 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 32 hr |
| Jun 30, 12:54 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 45 hr |
| Jun 30, 1:19 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 9 more | 31 hr |
| Jul 1, 12:40 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 47 hr |
| Jul 1, 12:53 AM MDT | Red Flag Warning | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 1 more | 18 hr |
| Jul 1, 12:34 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 7 more | 31 hr |
| Jul 1, 12:40 PM MDT | Red Flag Warning | BOU | Park | 31 hr |
| Jul 2, 12:40 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 47 hr |
| Jul 2, 12:46 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 3 more | 31 hr |
| Jul 2, 1:43 PM MDT | Red Flag Warning | BOU | Park | 29 hr |
| Aug 2, 10:10 PM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 22 hr |
| Aug 3, 11:55 AM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 31 hr |
| Aug 3, 12:01 PM MDT | Red Flag Warning | GJT | Dolores, Eagle, Garfield, La Plata, Mesa, Moffat and 5 more | 31 hr |
| Aug 4, 12:19 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 1 more | 32 hr |
| Aug 4, 12:20 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more | 31 hr |
| Aug 4, 12:33 PM MDT | Red Flag Warning | PUB | Chaffee, Lake | 30 hr |
| Aug 5, 12:39 PM MDT | Red Flag Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 30 hr |
| Aug 5, 9:41 PM MDT | Red Flag Warning | GJT | Delta, Gunnison, Hinsdale, Montrose, Ouray | 22 hr |
| Aug 6, 12:55 PM MDT | Red Flag Warning | PUB | Fremont, Pueblo | 31 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Huerfano County53
- Las Animas County53
- Fremont County52
- Pueblo County49
- Saguache County48
- Costilla County47
- Conejos County43
- Rio Grande County43
- Alamosa County42
- El Paso County41
- Chaffee County37
- Lake County37
- Larimer County34
- Weld County32
- Douglas County31
- Delta County31
- San Miguel County31
- Baca County30
- Arapahoe County29
- Moffat County29
- Montrose County29
- Teller County28
- Elbert County28
- Jefferson County28
- Crowley County28
- Rio Blanco County28
- Dolores County28
- La Plata County28
- Montezuma County28
- Boulder County27
- Custer County27
- Garfield County26
- Mesa County26
- Ouray County26
- Park County25
- Otero County25
- Lincoln County25
- Logan County25
- Kit Carson County24
- Prowers County24
24 more counties
- Bent County24
- Adams County23
- Kiowa County23
- Eagle County23
- Pitkin County23
- Gunnison County23
- Hinsdale County23
- Clear Creek County22
- Gilpin County22
- Cheyenne County22
- Washington County22
- Morgan County21
- Broomfield County20
- Sedgwick County20
- Yuma County19
- Denver County19
- Phillips County19
- Mineral County16
- Archuleta County14
- San Juan County14
- Grand County12
- Summit County12
- Jackson County11
- Routt County9
The busiest days
Days with the most alerts issued, by UTC date.
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.