Alert archive / Colorado / Red Flag Warnings in 2026
Red Flag Warning 36, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Apr 17, 2026, 11:33 PM MDT for 6 counties in Colorado. It took effect at Apr 18, 2026, 1:00 PM MDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 17, 2026, 11:33 PM MDT (05:33 UTC)
- In effect from
- Apr 18, 2026, 1:00 PM MDT
- Expired
- Apr 18, 2026, 7:00 PM MDT
- In force
- 6 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 139 km from the middle of the area, began a volume at 05:34 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.
Nearby
Red Flag Warnings in Colorado, 2026Every red flag warning 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.