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Elev 5308 ft, 40.03 °N, 105.26 °W

Boulder, CO Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Boulder, CO
Elevation: 5308ft
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Red Flag Warning
Issued: 8:48 AM Dec. 22, 2025 – National Weather Service
...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST
THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE ZONES
239 AND 241...

The National Weather Service in Denver has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 8 AM this morning to 5 PM MST this afternoon. The Fire
Weather Watch is no longer in effect.

* AFFECTED AREA...Fire Weather Zones 239 and 241.

* TIMING...From 8 AM this morning to 5 PM MST this afternoon.

* WINDS...West 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 9 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

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