Fire Weather Watch Colorado | Effective 03/20/2026 01:53

Headline: 
Fire Weather Watch issued March 20 at 2:53AM MDT until March 21 at 10:00PM MDT by NWS Denver CO
Event: 
Fire Weather Watch
Urgency: 
Future
Effective: 
March 20, 2026 - 1:53am
Expires: 
March 20, 2026 - 2:00pm
Description: 
...WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS PEAKING SATURDAY... All-time record March heat, exceptionally low humidity, and periods of breezy winds will continue to drive critical fire weather conditions through Saturday. Today, the highest fire danger will be localized to the Cheyenne Ridge and vicinity where winds will be strongest. Breezy winds will become expansive on Saturday coinciding with highly anomalous heat and single-digit humidity, extending into the foothills and high mountain valleys. * AFFECTED AREA...Fire Weather Zones 238 and 242. * TIMING...For the Red Flag Warning, from 11 AM this morning to 7 PM MDT this evening. For the Fire Weather Watch, from 11 AM MDT Saturday through 10 PM MDT Saturday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 6 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.
Instruction: 
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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Area Description: 
Larimer County Below 6000 Feet/Northwest Weld County; Northeast Weld County
Forcast Office: 
NWS Denver CO
Sender: 
w-nws.webmaster@noaa.gov