Alert archive / Colorado / Red Flag Warnings in 2026
Red Flag Warning 1, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Jan 3, 2026, 2:00 PM MST for 7 counties in Colorado. It took effect at Jan 4, 2026, 10:00 AM MST. It was in force for 7 hr. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 3, 2026, 2:00 PM MST (21:00 UTC)
- In effect from
- Jan 4, 2026, 10:00 AM MST
- Expired
- Jan 4, 2026, 5:00 PM MST
- In force
- 7 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Arapahoe County, CO, Clear Creek County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Jefferson County, CO, Park County, CO
The radar
The Denver radar (KFTG), 55 km from the middle of the area, began a volume at 21:01 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 4, 10:20 AM MST | NON-TSTM WND GST 74 | 4 Nnw White Ranch Open, CO | Mesonet station 1925W Coal Creek Canyon. |
| Jan 4, 11:58 AM MST | NON-TSTM WND GST 66 | 1 Ssw Brookvale, CO | PWS-KCOEVERG302. |
| Jan 4, 1:23 PM MST | NON-TSTM WND GST 53 | 2 S Cheesman Reservoir, CO | Mesonet station CHRC2 Cheesman RAWS. Also reported a relative humidity of 9 percent at the time of gust. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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; local storm reports from the same archive; radar from the NEXRAD Level II archive.