Alert archive / Colorado / Flash Flood Warnings
Flash Flood Warnings in Colorado, 2023
175 flash flood warnings in 2023. 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Flash Flood Warnings
- 175
- Busiest month
- June85 flash flood warnings
- Busiest day
- June 12, 202319 flash flood 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 |
|---|---|---|---|---|
| May 11, 7:11 AM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| May 11, 7:56 AM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| May 11, 1:58 PM MDT | Flash Flood Warning | GLD | Cheyenne, Kit Carson, Yuma | 6 hr |
| May 12, 5:26 PM MDT | Flash Flood Warning | PUB | Custer | 3 hr |
| May 18, 1:23 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| May 18, 3:47 PM MDT | Flash Flood Warning | BOU | Lincoln | 3 hr |
| May 18, 3:57 PM MDT | Flash Flood Warning | BOU | Boulder, Weld | 84 min |
| May 21, 9:03 PM MDT | Flash Flood Warning | GLD | Cheyenne | 6 hr |
| May 22, 3:19 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont, Saguache | 2 hr |
| May 22, 6:23 PM MDT | Flash Flood Warning | BOU | Grand | 100 min |
| May 23, 5:38 PM MDT | Flash Flood Warning | BOU | Grand | 3 hr |
| May 24, 3:55 PM MDT | Flash Flood Warning | BOU | Larimer | 2 hr |
| May 24, 4:42 PM MDT | Flash Flood Warning | PUB | Pueblo | 3 hr |
| May 25, 4:32 PM MDT | Flash Flood Warning | PUB | Las Animas | 2 hr |
| May 25, 7:16 PM MDT | Flash Flood Warning | PUB | El Paso | 108 min |
| May 25, 7:59 PM MDT | Flash Flood Warning | PUB | Fremont | 110 min |
| May 26, 3:47 PM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| May 27, 2:12 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| May 27, 4:54 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| May 30, 4:46 PM MDT | Flash Flood Warning | GLD | Cheyenne, Kit Carson | 3 hr |
| May 30, 7:12 PM MDT | Flash Flood Warning | PUB | Prowers | 3 hr |
| Jun 2, 6:58 PM MDT | Flash Flood Warning | BOU | Adams | 2 hr |
| Jun 4, 12:52 PM MDT | Flash Flood Warning | PUB | Fremont | 3 hr |
| Jun 6, 12:55 PM MDT | Flash Flood Warning | BOU | Larimer | 2 hr |
| Jun 6, 2:47 PM MDT | Flash Flood Warning | PUB | Huerfano | 118 min |
| Jun 6, 4:04 PM MDT | Flash Flood Warning | PUB | Fremont | 79 min |
| Jun 6, 4:41 PM MDT | Flash Flood Warning | PUB | Bent, Otero | 3 hr |
| Jun 6, 5:55 PM MDT | Flash Flood Warning | PUB | Pueblo | 115 min |
| Jun 7, 12:13 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jun 7, 1:26 PM MDT | Flash Flood Warning | PUB | El Paso | 109 min |
| Jun 7, 1:55 PM MDT | Flash Flood Warning | BOU | Grand | 3 hr |
| Jun 7, 2:05 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jun 7, 3:11 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jun 7, 4:04 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jun 8, 1:13 PM MDT | Flash Flood Warning | BOU | Larimer | 2 hr |
| Jun 9, 2:51 PM MDT | Flash Flood Warning | BOU | Larimer | 108 min |
| Jun 9, 3:41 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 93 min |
| Jun 10, 11:49 AM MDT | Flash Flood Warning | BOU | Larimer | 114 min |
| Jun 10, 1:28 PM MDT | Flash Flood Warning | PUB | El Paso | 88 min |
| Jun 11, 4:04 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jun 11, 4:23 PM MDT | Flash Flood Warning | BOU | Park | 3 hr |
| Jun 11, 5:44 PM MDT | Flash Flood Warning | BOU | Grand | 3 hr |
| Jun 11, 6:21 PM MDT | Flash Flood Warning | BOU | Elbert | 3 hr |
| Jun 11, 7:21 PM MDT | Flash Flood Warning | BOU | Larimer, Weld | 3 hr |
| Jun 11, 7:49 PM MDT | Flash Flood Warning | BOU | Weld | 3 hr |
| Jun 11, 11:03 PM MDT | Flash Flood Warning | BOU | Elbert, Lincoln | 5 hr |
| Jun 12, 12:33 AM MDT | Flash Flood Warning | PUB | El Paso | 5 hr |
| Jun 12, 5:22 AM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| Jun 12, 10:51 AM MDT | Flash Flood Warning | BOU | Elbert | 3 hr |
| Jun 12, 10:58 AM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jun 12, 11:55 AM MDT | Flash Flood Warning | BOU | Grand | 3 hr |
| Jun 12, 12:07 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jun 12, 12:11 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jun 12, 12:49 PM MDT | Flash Flood Warning | PUB | Fremont | 54 min |
| Jun 12, 1:17 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 3 hr |
| Jun 12, 1:28 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jun 12, 1:44 PM MDT | Flash Flood Warning | BOU | Elbert | 3 hr |
| Jun 12, 1:48 PM MDT | Flash Flood Warning | PUB | Fremont, Pueblo | 3 hr |
| Jun 12, 2:18 PM MDT | Flash Flood Warning | BOU | Elbert, Lincoln | 3 hr |
| Jun 12, 3:46 PM MDT | Flash Flood Warning | BOU | Lincoln | 3 hr |
| Jun 12, 4:03 PM MDT | Flash Flood Warning | GLD | Kit Carson | 3 hr |
| Jun 15, 12:49 PM MDT | Flash Flood Warning | PUB | El Paso | 116 min |
| Jun 15, 2:38 PM MDT | Flash Flood Warning | BOU | Lincoln | 3 hr |
| Jun 15, 3:46 PM MDT | Flash Flood Warning | GLD | Kit Carson, Yuma | 4 hr |
| Jun 15, 8:28 PM MDT | Flash Flood Warning | BOU | Morgan | 105 min |
| Jun 16, 4:16 PM MDT | Flash Flood Warning | BOU | Elbert, Lincoln | 3 hr |
| Jun 16, 4:39 PM MDT | Flash Flood Warning | PUB | Pueblo | 5 hr |
| Jun 16, 4:56 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jun 16, 5:40 PM MDT | Flash Flood Warning | GLD | Kit Carson | 4 hr |
| Jun 16, 6:03 PM MDT | Flash Flood Warning | BOU | Lincoln | 3 hr |
| Jun 16, 6:42 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jun 16, 7:26 PM MDT | Flash Flood Warning | PUB | El Paso, Fremont, Pueblo, Teller | 2 hr |
| Jun 16, 7:57 PM MDT | Flash Flood Warning | GLD | Cheyenne, Kit Carson | 3 hr |
| Jun 16, 8:43 PM MDT | Flash Flood Warning | GLD | Kit Carson | 3 hr |
| Jun 17, 1:14 PM MDT | Flash Flood Warning | BOU | Elbert | 4 hr |
| Jun 17, 2:08 PM MDT | Flash Flood Warning | BOU | Elbert | 3 hr |
| Jun 17, 4:34 PM MDT | Flash Flood Warning | GLD | Cheyenne, Kit Carson | 4 hr |
| Jun 17, 5:15 PM MDT | Flash Flood Warning | GLD | Cheyenne, Kit Carson | 4 hr |
| Jun 21, 3:24 PM MDT | Flash Flood Warning | BOU | Logan | 3 hr |
| Jun 21, 3:44 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jun 21, 4:42 PM MDT | Flash Flood Warning | BOU | Morgan, Washington | 3 hr |
| Jun 21, 6:19 PM MDT | Flash Flood Warning | BOU | Logan | 3 hr |
| Jun 21, 7:19 PM MDT | Flash Flood Warning | PUB | Bent | 2 hr |
| Jun 21, 7:27 PM MDT | Flash Flood Warning | BOU | Morgan, Washington | 3 hr |
| Jun 21, 8:38 PM MDT | Flash Flood Warning | BOU | Washington | 3 hr |
| Jun 21, 8:48 PM MDT | Flash Flood Warning | BOU | Larimer | 85 min |
| Jun 21, 8:48 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jun 21, 8:59 PM MDT | Flash Flood Warning | BOU | Lincoln | 3 hr |
| Jun 21, 9:21 PM MDT | Flash Flood Warning | BOU | Clear Creek | 3 hr |
| Jun 21, 9:27 PM MDT | Flash Flood Warning | PUB | El Paso | 6 hr |
| Jun 21, 9:53 PM MDT | Flash Flood Warning | BOU | Lincoln | 3 hr |
| Jun 21, 10:07 PM MDT | Flash Flood Warning | BOU | Adams, Arapahoe, Denver | 3 hr |
| Jun 21, 10:12 PM MDT | Flash Flood Warning | PUB | Crowley | 3 hr |
| Jun 21, 10:39 PM MDT | Flash Flood Warning | BOU | Elbert | 3 hr |
| Jun 21, 11:11 PM MDT | Flash Flood Warning | PUB | Pueblo | 3 hr |
| Jun 22, 12:33 AM MDT | Flash Flood Warning | PUB | Pueblo | 2 hr |
| Jun 22, 12:40 AM MDT | Flash Flood Warning | BOU | Lincoln | 3 hr |
| Jun 22, 5:35 PM MDT | Flash Flood Warning | BOU | Elbert | 3 hr |
| Jun 22, 7:20 PM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| Jun 23, 9:34 PM MDT | Flash Flood Warning | BOU | Logan, Morgan, Sedgwick, Weld | 3 hr |
| Jun 28, 9:43 PM MDT | Flash Flood Warning | BOU | Logan | 3 hr |
| Jun 28, 10:09 PM MDT | Flash Flood Warning | BOU | Phillips | 3 hr |
| Jun 28, 10:51 PM MDT | Flash Flood Warning | BOU | Phillips | 3 hr |
| Jun 29, 4:07 PM MDT | Flash Flood Warning | BOU | Denver, Jefferson | 113 min |
| Jun 29, 5:41 PM MDT | Flash Flood Warning | BOU | Adams | 3 hr |
| Jun 30, 11:28 AM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 5, 9:15 PM MDT | Flash Flood Warning | PUB | Bent, Crowley, Kiowa, Otero | 5 hr |
| Jul 6, 9:30 PM MDT | Flash Flood Warning | PUB | Bent, Kiowa, Prowers | 5 hr |
| Jul 7, 4:35 PM MDT | Flash Flood Warning | PUB | El Paso, Teller | 2 hr |
| Jul 8, 5:52 PM MDT | Flash Flood Warning | PUB | El Paso | 95 min |
| Jul 8, 7:07 PM MDT | Flash Flood Warning | PUB | Crowley, Otero | 3 hr |
| Jul 13, 4:04 PM MDT | Flash Flood Warning | PUB | Baca, Las Animas | 5 hr |
| Jul 15, 3:57 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 19, 6:05 PM MDT | Flash Flood Warning | PUB | Las Animas, Otero, Pueblo | 3 hr |
| Jul 19, 6:14 PM MDT | Flash Flood Warning | PUB | Bent, Las Animas, Otero | 3 hr |
| Jul 19, 6:40 PM MDT | Flash Flood Warning | PUB | Bent, Las Animas | 3 hr |
| Jul 19, 7:24 PM MDT | Flash Flood Warning | PUB | Baca, Bent, Prowers | 3 hr |
| Jul 20, 12:23 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 20, 1:13 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 20, 3:32 PM MDT | Flash Flood Warning | PUB | El Paso | 2 hr |
| Jul 20, 3:59 PM MDT | Flash Flood Warning | BOU | Grand | 117 min |
| Jul 20, 5:59 PM MDT | Flash Flood Warning | GLD | Kit Carson, Yuma | 2 hr |
| Jul 20, 6:34 PM MDT | Flash Flood Warning | GLD | Kit Carson | 94 min |
| Jul 20, 6:46 PM MDT | Flash Flood Warning | PUB | Bent, Kiowa, Otero | 3 hr |
| Jul 20, 6:53 PM MDT | Flash Flood Warning | GLD | Kit Carson, Yuma | 89 min |
| Jul 20, 7:01 PM MDT | Flash Flood Warning | GLD | Cheyenne, Kit Carson | 106 min |
| Jul 20, 7:16 PM MDT | Flash Flood Warning | GLD | Cheyenne, Kit Carson | 96 min |
| Jul 20, 7:18 PM MDT | Flash Flood Warning | PUB | Bent, Otero | 3 hr |
| Jul 20, 7:57 PM MDT | Flash Flood Warning | GLD | Cheyenne | 95 min |
| Jul 20, 8:26 PM MDT | Flash Flood Warning | PUB | Baca, Bent, Las Animas, Prowers | 3 hr |
| Jul 20, 8:33 PM MDT | Flash Flood Warning | GLD | Cheyenne | 3 hr |
| Jul 26, 1:20 PM MDT | Flash Flood Warning | BOU | Grand | 3 hr |
| Jul 29, 3:01 PM MDT | Flash Flood Warning | PUB | Huerfano | 3 hr |
| Jul 29, 7:14 PM MDT | Flash Flood Warning | PUB | Custer, Fremont | 3 hr |
| Jul 31, 4:54 PM MDT | Flash Flood Warning | BOU | Jefferson | 3 hr |
| Jul 31, 7:10 PM MDT | Flash Flood Warning | BOU | Douglas | 110 min |
| Jul 31, 7:37 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 31, 7:39 PM MDT | Flash Flood Warning | PUB | Teller | 3 hr |
| Jul 31, 8:12 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 31, 8:14 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Jul 31, 8:30 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 31, 8:59 PM MDT | Flash Flood Warning | PUB | El Paso | 3 hr |
| Jul 31, 9:02 PM MDT | Flash Flood Warning | PUB | Fremont, Teller | 3 hr |
| Aug 1, 3:23 PM MDT | Flash Flood Warning | BOU | Jefferson | 3 hr |
| Aug 1, 5:13 PM MDT | Flash Flood Warning | BOU | Boulder | 3 hr |
| Aug 1, 5:55 PM MDT | Flash Flood Warning | GJT | Eagle, Garfield, Pitkin | 74 min |
| Aug 1, 6:57 PM MDT | Flash Flood Warning | BOU | Morgan | 3 hr |
| Aug 2, 4:33 PM MDT | Flash Flood Warning | GJT | Mesa | 117 min |
| Aug 2, 9:40 PM MDT | Flash Flood Warning | GLD | Cheyenne | 3 hr |
| Aug 2, 9:58 PM MDT | Flash Flood Warning | GJT | Eagle, Garfield, Pitkin | 2 hr |
| Aug 2, 11:24 PM MDT | Flash Flood Warning | BOU | Larimer | 5 hr |
| Aug 3, 5:14 PM MDT | Flash Flood Warning | PUB | Pueblo | 2 hr |
| Aug 3, 5:17 PM MDT | Flash Flood Warning | BOU | Larimer | 104 min |
| Aug 3, 7:43 PM MDT | Flash Flood Warning | GLD | Kit Carson | 3 hr |
| Aug 5, 12:49 AM MDT | Flash Flood Warning | GLD | Yuma | 4 hr |
| Aug 5, 2:23 AM MDT | Flash Flood Warning | BOU | Washington | 3 hr |
| Aug 14, 5:11 PM MDT | Flash Flood Warning | GJT | Mesa, Montrose | 3 hr |
| Aug 17, 7:01 PM MDT | Flash Flood Warning | GJT | Mesa | 119 min |
| Aug 23, 4:28 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Aug 24, 6:12 PM MDT | Flash Flood Warning | GJT | Eagle, Garfield | 3 hr |
| Aug 25, 11:25 AM MDT | Flash Flood Warning | BOU | Morgan | 3 hr |
| Aug 25, 4:28 PM MDT | Flash Flood Warning | PUB | Chaffee, Fremont | 2 hr |
| Aug 25, 5:30 PM MDT | Flash Flood Warning | PUB | Baca, Huerfano, Las Animas | 3 hr |
| Aug 25, 6:03 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 26, 5:12 PM MDT | Flash Flood Warning | GJT | Eagle, Garfield | 2 hr |
| Aug 27, 2:41 PM MDT | Flash Flood Warning | GJT | Eagle | 109 min |
| Aug 27, 2:54 PM MDT | Flash Flood Warning | PUB | Costilla, Huerfano | 3 hr |
| Aug 27, 2:56 PM MDT | Flash Flood Warning | BOU | Larimer | 2 hr |
| Aug 28, 3:35 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Aug 28, 7:35 PM MDT | Flash Flood Warning | PUB | Pueblo | 98 min |
| Sep 3, 1:56 PM MDT | Flash Flood Warning | BOU | Larimer | 2 hr |
| Sep 14, 2:45 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Sep 14, 3:11 PM MDT | Flash Flood Warning | BOU | Larimer | 3 hr |
| Sep 14, 5:34 PM MDT | Flash Flood Warning | GLD | Yuma | 86 min |
| Sep 19, 4:28 PM MDT | Flash Flood Warning | GJT | La Plata | 95 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Larimer County31
- El Paso County26
- Kit Carson County15
- Cheyenne County11
- Lincoln County10
- Fremont County10
- Pueblo County10
- Bent County10
- Elbert County10
- Grand County7
- Las Animas County7
- Otero County7
- Yuma County6
- Teller County6
- Morgan County6
- Huerfano County5
- Eagle County5
- Weld County4
- Prowers County4
- Logan County4
- Washington County4
- Baca County4
- Garfield County4
- Adams County3
- Crowley County3
- Jefferson County3
- Kiowa County3
- Mesa County3
- Custer County2
- Boulder County2
- Chaffee County2
- Denver County2
- Phillips County2
- Pitkin County2
- Costilla County2
- Saguache County1
- Park County1
- Clear Creek County1
- Arapahoe County1
- Sedgwick County1
3 more counties
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.