Alert archive / Colorado / Costilla County
Weather alerts in Costilla County, Colorado, 2026
153 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Costilla County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 153
- Warnings
- 63
- Watches
- 44
- Advisories
- 13
- Busiest month
- June32 alerts
- Busiest day
- August 19, 20265 alerts
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 | Lasted |
|---|---|---|---|
| Jan 7, 2:06 PM MST | Winter Weather Advisory | PUB | 51 hr |
| Jan 10, 12:25 AM MST | Cold Weather Advisory | PUB | 8 hr |
| Jan 19, 2:06 PM MST | Red Flag Warning | PUB | 29 hr |
| Jan 22, 2:07 AM MST | Winter Weather Advisory | PUB | 3 days |
| Jan 22, 2:22 PM MST | Winter Storm Warning | PUB | 60 hr |
| Jan 23, 2:05 PM MST | Cold Weather Advisory | PUB | 66 hr |
| Feb 8, 2:01 PM MST | Red Flag Warning | PUB | 28 hr |
| Feb 14, 11:40 PM MST | High Wind Watch | PUB | 35 hr |
| Feb 15, 11:56 AM MST | Winter Weather Advisory | PUB | 3 days |
| Feb 15, 12:10 PM MST | Red Flag Warning | PUB | 30 hr |
| Feb 16, 11:07 AM MST | High Wind Warning | PUB | 31 hr |
| Feb 17, 10:48 AM MST | High Wind Warning | PUB | 42 hr |
| Feb 18, 5:24 PM MST | Snow Squall Warning | PUB | 36 min |
| Feb 20, 11:09 AM MST | Snow Squall Warning | PUB | 36 min |
| Mar 3, 11:34 AM MST | Fire Weather Watch | PUB | 24 hr |
| Mar 4, 11:33 AM MST | Red Flag Warning | PUB | 31 hr |
| Mar 4, 11:39 PM MST | Winter Weather Advisory | PUB | 48 hr |
| Mar 7, 11:44 AM MST | Fire Weather Watch | PUB | 24 hr |
| Mar 8, 12:34 PM MDT | Red Flag Warning | PUB | 30 hr |
| Mar 11, 12:31 AM MDT | Fire Weather Watch | PUB | 12 hr |
| Mar 11, 12:31 AM MDT | Red Flag Warning | PUB | 18 hr |
| Mar 11, 1:00 PM MDT | Red Flag Warning | PUB | 32 hr |
| Mar 12, 12:31 AM MDT | Fire Weather Watch | PUB | 11 hr |
| Mar 12, 11:36 AM MDT | Fire Weather Watch | PUB | 13 hr |
| Mar 12, 11:36 AM MDT | Red Flag Warning | PUB | 32 hr |
| Mar 13, 12:33 AM MDT | Red Flag Warning | PUB | 45 hr |
| Mar 13, 12:01 PM MDT | High Wind Watch | PUB | 23 hr |
| Mar 13, 11:28 PM MDT | High Wind Warning | PUB | 44 hr |
| Mar 14, 12:01 AM MDT | Fire Weather Watch | PUB | 12 hr |
| Mar 14, 12:26 PM MDT | Red Flag Warning | PUB | 32 hr |
| Mar 15, 10:04 AM MDT | Blowing Dust Advisory | PUB | 8 hr |
| Mar 17, 12:35 AM MDT | Fire Weather Watch | PUB | 13 hr |
| Mar 17, 1:13 PM MDT | Red Flag Warning | PUB | 31 hr |
| Mar 19, 1:56 PM MDT | Fire Weather Watch | PUB | 11 hr |
| Mar 20, 12:36 AM MDT | Red Flag Warning | PUB | 46 hr |
| Mar 22, 12:32 AM MDT | Fire Weather Watch | PUB | 12 hr |
| Mar 22, 12:46 PM MDT | Red Flag Warning | PUB | 30 hr |
| Mar 23, 1:13 PM MDT | Fire Weather Watch | PUB | 34 hr |
| Mar 24, 11:46 AM MDT | Fire Weather Watch | PUB | 25 hr |
| Mar 24, 11:46 AM MDT | Red Flag Warning | PUB | 31 hr |
| Mar 25, 12:18 PM MDT | Red Flag Warning | PUB | 32 hr |
| Mar 26, 1:40 PM MDT | Fire Weather Watch | PUB | 23 hr |
| Mar 27, 12:57 PM MDT | Red Flag Warning | PUB | 31 hr |
| Mar 28, 2:36 PM MDT | Fire Weather Watch | PUB | 23 hr |
| Mar 29, 1:57 PM MDT | Red Flag Warning | PUB | 30 hr |
| Apr 1, 12:18 PM MDT | Fire Weather Watch | PUB | 27 hr |
| Apr 2, 2:51 PM MDT | Red Flag Warning | PUB | 29 hr |
| Apr 10, 12:40 PM MDT | Fire Weather Watch | PUB | 11 hr |
| Apr 10, 11:47 PM MDT | Fire Weather Watch | PUB | 24 hr |
| Apr 10, 11:47 PM MDT | Red Flag Warning | PUB | 45 hr |
| Apr 11, 12:41 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 12, 12:12 AM MDT | Red Flag Warning | PUB | 45 hr |
| Apr 14, 12:07 AM MDT | Fire Weather Watch | PUB | 36 hr |
| Apr 15, 12:35 PM MDT | Red Flag Warning | PUB | 34 hr |
| Apr 16, 12:44 PM MDT | Red Flag Warning | PUB | 29 hr |
| Apr 19, 12:35 PM MDT | Fire Weather Watch | PUB | 12 hr |
| Apr 20, 12:16 AM MDT | Red Flag Warning | PUB | 71 hr |
| Apr 20, 1:11 PM MDT | Fire Weather Watch | PUB | 35 hr |
| Apr 22, 12:20 AM MDT | Red Flag Warning | PUB | 44 hr |
| Apr 22, 11:02 PM MDT | Fire Weather Watch | PUB | 13 hr |
| Apr 23, 12:15 PM MDT | Red Flag Warning | PUB | 32 hr |
| Apr 24, 12:36 AM MDT | Fire Weather Watch | PUB | 10 hr |
| Apr 24, 10:31 AM MDT | Red Flag Warning | PUB | 33 hr |
| Apr 27, 1:16 PM MDT | Red Flag Warning | PUB | 30 hr |
| Apr 29, 12:39 AM MDT | Winter Storm Watch | PUB | 12 hr |
| Apr 29, 12:34 PM MDT | Winter Storm Warning | PUB | 58 hr |
| May 4, 12:06 AM MDT | Winter Weather Advisory | PUB | 66 hr |
| May 4, 11:38 PM MDT | Winter Storm Warning | PUB | 42 hr |
| May 5, 4:39 PM MDT | Dust Storm Warning | PUB | 36 min |
| May 5, 5:12 PM MDT | Dust Storm Warning | PUB | 63 min |
| May 13, 12:30 AM MDT | Fire Weather Watch | PUB | 13 hr |
| May 13, 1:33 PM MDT | Red Flag Warning | PUB | 29 hr |
| May 14, 1:37 PM MDT | Fire Weather Watch | PUB | 24 hr |
| May 15, 1:19 PM MDT | Fire Weather Watch | PUB | 23 hr |
| May 15, 1:19 PM MDT | Red Flag Warning | PUB | 31 hr |
| May 16, 11:53 AM MDT | Red Flag Warning | PUB | 33 hr |
| May 18, 8:19 AM MDT | Blowing Dust Advisory | PUB | 72 min |
| May 18, 9:31 AM MDT | Blowing Dust Warning | PUB | 4 hr |
| May 18, 11:11 AM MDT | High Wind Warning | PUB | 3 hr |
| May 18, 2:00 PM MDT | Blowing Dust Advisory | PUB | 4 hr |
| May 28, 3:42 PM MDT | Special Weather Statement | PUB | 33 min |
| May 28, 6:15 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 1:08 AM MDT | Fire Weather Watch | PUB | 36 hr |
| Jun 8, 3:37 PM MDT | Red Flag Warning | PUB | 28 hr |
| Jun 9, 12:39 PM MDT | Blowing Dust Advisory | PUB | 5 hr |
| Jun 9, 1:24 PM MDT | Red Flag Warning | PUB | 31 hr |
| Jun 9, 1:44 PM MDT | Special Weather Statement | PUB | 46 min |
| Jun 10, 12:45 PM MDT | Fire Weather Watch | PUB | 26 hr |
| Jun 11, 2:57 PM MDT | Red Flag Warning | PUB | 29 hr |
| Jun 14, 2:35 PM MDT | Special Weather Statement | PUB | 25 min |
| Jun 15, 12:35 AM MDT | Fire Weather Watch | PUB | 36 hr |
| Jun 15, 3:36 PM MDT | Red Flag Warning | PUB | 29 hr |
| Jun 16, 1:04 PM MDT | Red Flag Warning | PUB | 32 hr |
| Jun 18, 12:33 AM MDT | Fire Weather Watch | PUB | 35 hr |
| Jun 19, 11:08 AM MDT | Red Flag Warning | PUB | 35 hr |
| Jun 20, 12:30 AM MDT | Fire Weather Watch | PUB | 11 hr |
| Jun 20, 11:03 AM MDT | Red Flag Warning | PUB | 35 hr |
| Jun 21, 12:46 AM MDT | Red Flag Warning | PUB | 43 hr |
| Jun 22, 12:57 AM MDT | Fire Weather Watch | PUB | 12 hr |
| Jun 22, 1:09 PM MDT | Red Flag Warning | PUB | 32 hr |
| Jun 23, 12:03 AM MDT | Fire Weather Watch | PUB | 14 hr |
| Jun 23, 2:04 PM MDT | Red Flag Warning | PUB | 29 hr |
| Jun 25, 12:11 AM MDT | Fire Weather Watch | PUB | 34 hr |
| Jun 26, 10:00 AM MDT | Fire Weather Watch | PUB | 27 hr |
| Jun 26, 10:00 AM MDT | Red Flag Warning | PUB | 35 hr |
| Jun 27, 12:45 PM MDT | Fire Weather Watch | PUB | 24 hr |
| Jun 27, 12:45 PM MDT | Red Flag Warning | PUB | 32 hr |
| Jun 28, 12:50 PM MDT | Fire Weather Watch | PUB | 20 hr |
| Jun 28, 12:50 PM MDT | Red Flag Warning | PUB | 33 hr |
| Jun 29, 8:36 AM MDT | Red Flag Warning | PUB | 36 hr |
| Jun 29, 12:36 PM MDT | Fire Weather Watch | PUB | 12 hr |
| Jun 30, 12:54 AM MDT | Fire Weather Watch | PUB | 24 hr |
| Jun 30, 12:54 AM MDT | Red Flag Warning | PUB | 45 hr |
| Jun 30, 2:14 PM MDT | Special Weather Statement | PUB | 46 min |
| Jul 1, 12:40 AM MDT | Fire Weather Watch | PUB | 24 hr |
| Jul 1, 12:40 AM MDT | Red Flag Warning | PUB | 47 hr |
| Jul 2, 12:40 AM MDT | Red Flag Warning | PUB | 47 hr |
| Jul 5, 12:12 PM MDT | Special Weather Statement | PUB | 33 min |
| Jul 8, 3:14 PM MDT | Special Weather Statement | PUB | 31 min |
| Jul 8, 3:46 PM MDT | Dust Storm Warning | PUB | 59 min |
| Jul 13, 4:01 PM MDT | Special Weather Statement | PUB | 29 min |
| Jul 26, 2:52 PM MDT | Special Weather Statement | PUB | 38 min |
| Jul 26, 3:30 PM MDT | Special Weather Statement | PUB | 30 min |
| Jul 28, 2:22 PM MDT | Special Weather Statement | PUB | 38 min |
| Jul 28, 11:52 PM MDT | Flood Watch | PUB | 24 hr |
| Jul 31, 4:45 AM MDT | Special Weather Statement | PUB | 30 min |
| Jul 31, 1:34 PM MDT | Special Weather Statement | PUB | 26 min |
| Jul 31, 3:56 PM MDT | Special Weather Statement | PUB | 49 min |
| Jul 31, 10:58 PM MDT | Heat Advisory | PUB | 69 hr |
| Aug 4, 2:22 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Aug 4, 3:10 PM MDT | Special Weather Statement | PUB | 35 min |
| Aug 5, 2:13 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 3:42 PM MDT | Special Weather Statement | PUB | 33 min |
| Aug 5, 3:59 PM MDT | Severe Thunderstorm Warning | PUB | 46 min |
| Aug 5, 4:35 PM MDT | Special Weather Statement | PUB | 25 min |
| Aug 7, 12:51 PM MDT | Special Weather Statement | PUB | 24 min |
| Aug 19, 1:41 PM MDT | Special Weather Statement | PUB | 49 min |
| Aug 19, 2:21 PM MDT | Special Weather Statement | PUB | 24 min |
| Aug 19, 3:41 PM MDT | Special Weather Statement | PUB | 19 min |
| Aug 19, 3:59 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 4:45 PM MDT | Severe Thunderstorm Warning | PUB | 30 min |
| Aug 26, 3:15 PM MDT | Special Weather Statement | PUB | 30 min |
| Aug 26, 3:53 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 26, 5:43 PM MDT | Severe Thunderstorm Warning | PUB | 32 min |
| Aug 27, 3:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Aug 31, 1:37 PM MDT | Special Weather Statement | PUB | 23 min |
| Aug 31, 5:31 PM MDT | Special Weather Statement | PUB | 29 min |
| Sep 10, 4:41 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 14, 1:13 PM MDT | Special Weather Statement | PUB | 32 min |
| Sep 22, 12:51 PM MDT | Special Weather Statement | PUB | 39 min |
| Sep 25, 12:22 PM MDT | Special Weather Statement | PUB | 38 min |
| Sep 27, 12:01 AM MDT | Flood Watch | PUB | 4 days |
| Oct 1, 12:01 PM MDT | Frost Advisory | PUB | 20 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.