Red Flag Warning in Boulder County, Colorado
Issued by the National Weather Service and archived by Claims Pages
EXPIRED
4/23/2026 11:08:00 PM (UTC)
Urgency: Expected
Severity: Severe
Certainty: Likely
4/23/2026 11:08:00 PM until 4/24/2026 4:00:00 PM
* AFFECTED AREA...Fire Weather Zones 214, 215, 216, 238, 239,
240, 241, 242, 243, 244, 245, 246, 247 and 249.
* TIMING...From 11 AM to 8 PM MDT Friday.
* WINDS...Southwest 10 to 20 mph with gusts around 30 mph.
* RELATIVE HUMIDITY...7 to 12 percent.
* IMPACTS...Conditions will be favorable for rapid fire spread.
Avoid outdoor burning and any activity that may produce a
spark and start a wildfire.
