Alert archive / Colorado / Red Flag Warnings in 2026

Red Flag Warning 46, NWS Denver/Boulder, CO

June 22, 20267 counties in Colorado

NWS Denver/Boulder, CO issued this red flag warning at Jun 22, 2026, 12:18 PM MDT for 7 counties in Colorado. It took effect at Jun 23, 2026, 12:00 PM MDT. It was in force for 8 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: Jun 22, 2026, 12:18 PM MDT (18:18 UTC)
In effect from: Jun 23, 2026, 12:00 PM MDT
Expired: Jun 23, 2026, 8:00 PM MDT
In force: 8 hr
Issued by: NWS Denver/Boulder, CO

Counties Boulder County, CO, Clear Creek County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Park County, CO, Summit County, CO

The radar

The Denver radar (KFTG), 110 km from the middle of the area, began a volume at 18:19 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.

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this red flag warning went out at Jun 22, 5:33 AM MDT, 6 hours 45 minutes earlier.

Area forecast discussion, Jun 22, 5:33 AM MDT, 6 hours 45 minutes before

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The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 21, 6:22 PM MDT	Special Weather Statement	BOU	Morgan	38 min
Jun 21, 7:03 PM MDT	Special Weather Statement	BOU	Logan	27 min
Jun 21, 7:13 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Washington	32 min
Jun 21, 7:44 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Logan, Phillips	31 min
Jun 21, 8:16 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Phillips	29 min
Jun 21, 8:43 PM MDT	Severe Thunderstorm Warning	BOU	Washington	32 min
Jun 21, 8:44 PM MDT	Severe Thunderstorm Warning	BOU	Phillips	29 min
Jun 21, 9:14 PM MDT	Special Weather Statement	BOU	Adams	31 min
Jun 21, 9:17 PM MDT	Special Weather Statement	BOU	Boulder	28 min
Jun 21, 9:30 PM MDT	Severe Thunderstorm Warning	BOU	Boulder	30 min
Jun 22, 12:02 AM MDT	Fire Weather Watch	BOU	Boulder, Clear Creek, Gilpin, Grand, Jackson, Park and 1 more	12 hr
Jun 22, 3:12 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Weld	48 min
Jun 22, 3:48 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Logan	42 min
Jun 22, 4:04 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Weld	41 min
Jun 22, 4:21 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Logan	39 min
Jun 22, 4:38 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Logan, Weld	40 min
Jun 22, 4:51 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Logan	39 min
Jun 22, 5:04 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Logan, Morgan	26 min
Jun 22, 5:22 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Logan, Washington	45 min
Jun 22, 5:29 PM MDT	Tornado Warning	BOU	Logan, Washington	31 min
Jun 22, 5:54 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Washington	51 min

Nearby

Red Flag Warnings in Colorado, 2026 Every 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.