Alert archive / Colorado / Frost Advisories in 2025
Frost Advisory 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this frost advisory at Oct 15, 2025, 12:50 PM MDT for 5 counties in Colorado. It took effect at Oct 17, 2025, 2:00 AM MDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2025, 12:50 PM MDT (18:50 UTC)
- In effect from
- Oct 17, 2025, 2:00 AM MDT
- Expired
- Oct 17, 2025, 8:00 AM MDT
- In force
- 6 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Arapahoe County, CO, Douglas County, CO, Elbert County, CO, Lincoln County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 35 km from the middle of the area, began a volume at 18:51 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 15, 1:42 AM MDT | Dense Fog Advisory | BOU | Larimer, Logan, Weld | 10 hr |
Nearby
Frost Advisories in Colorado, 2025Every frost advisory in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.