Alert archive / Colorado / Frost Advisories / 2026
Frost Advisories in Colorado, May 2026
5 frost advisories in May 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in May 2026. Tap one for its archive.
- Frost Advisories
- 5
- Busiest day
- May 18, 20263 frost advisories
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 |
|---|---|---|---|---|
| May 1, 11:13 AM MDT | Frost Advisory | PUB | Baca, Bent, Crowley, Custer, El Paso, Fremont and 7 more | 21 hr |
| May 1, 11:17 AM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 21 hr |
| May 18, 11:28 AM MDT | Frost Advisory | GLD | Cheyenne, Kit Carson, Yuma | 21 hr |
| May 18, 11:30 AM MDT | Frost Advisory | PUB | Crowley, El Paso, Huerfano, Kiowa, Las Animas, Pueblo | 21 hr |
| May 18, 11:36 AM MDT | Frost Advisory | BOU | Adams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 5 more | 20 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Crowley County2
- El Paso County2
- Huerfano County2
- Kiowa County2
- Las Animas County2
- Pueblo County2
- Cheyenne County2
- Kit Carson County2
- Yuma County2
- Baca County1
- Bent County1
- Custer County1
- Fremont County1
- Otero County1
- Prowers County1
- Teller County1
- Adams County1
- Arapahoe County1
- Elbert County1
- Larimer County1
- Lincoln County1
- Logan County1
- Morgan County1
- Phillips County1
- Sedgwick County1
- Washington County1
- Weld County1
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.