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Fire Weather Watch

Status

Event Continued Active alert

Start Time

Sat 03/21/2026 01:00 PM EDT

End Time

Sun 03/22/2026 12:00 AM EDT

Significance

Watch

Impacts

Moderate impact

Headline

A prolonged period of record warmth and very low humidity will bring elevated to critical fire weather conditions for much of northeast and north central Colorado through Saturday. The most widespread critical conditions are expected to develop Saturday afternoon and hold into Saturday evening.

Full Alert Message

URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 659 PM MDT Thu Mar 19 2026 A prolonged period of record warmth and very low humidity will bring elevated to critical fire weather conditions for much of northeast and north central Colorado through Saturday. The most widespread critical conditions are expected to develop Saturday afternoon and hold into Saturday evening. ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST PLAINS OF COLORADO AND I-25 URBAN CORRIDOR... * AFFECTED AREA...Fire Weather Zones 239, 240, 241, 243, 244, 245, 248, 249, 250 and 251. * TIMING...From Saturday morning through Saturday evening. * WINDS...West 5 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 5 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 Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Technical Header

COZ239>241-243>245-248>251-200900- /O.CON.KBOU.FW.A.0021.260321T1700Z-260322T0400Z/ Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- Elbert/Central and East Douglas Counties Above 6000 Feet- Central and South Weld County-Morgan County- Central and East Adams and Arapahoe Counties-Logan County- Washington County-Sedgwick County-Phillips County- 659 PM MDT Thu Mar 19 2026