Alert archive / Colorado / Fire Weather Watches in 2026
Fire Weather Watch 21, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this fire weather watch at Mar 19, 2026, 2:16 AM MDT for 21 counties in Colorado. It took effect at Mar 21, 2026, 11:00 AM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 19, 2026, 2:16 AM MDT (08:16 UTC)
- In effect from
- Mar 21, 2026, 11:00 AM MDT
- Expired
- Mar 20, 2026, 12:46 PM MDT
- In force
- Issued by
- NWS Denver/Boulder, CO
All 21 counties
Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Logan County, CO, Morgan County, CO, Park County, CO, Phillips County, CO, Sedgwick County, CO, Summit County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 28 km from the middle of the area, began a volume at 08:19 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 |
|---|---|---|---|---|
| Mar 18, 7:06 PM MDT | Red Flag Warning | BOU | Larimer, Logan, Weld | 54 min |
| Mar 19, 2:16 AM MDT | Fire Weather Watch | BOU | Larimer, Weld | 12 hr |
| Mar 19, 1:57 PM MDT | Red Flag Warning | BOU | Larimer, Weld | 29 hr |
Nearby
Fire Weather Watches in Colorado, 2026Every fire weather watch in 2026
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.