Watches, Warnings & Advisories



2 products issued by NWS for: Fort Collins CO

Fire Weather Watch

URGENT - FIRE WEATHER MESSAGE
National Weather Service Denver/Boulder CO
115 PM MDT Tue Apr 21 2026

COZ214-216-238>251-220615-
/O.NEW.KBOU.FW.A.0028.260423T1600Z-260424T0200Z/
/O.CON.KBOU.FW.W.0037.260422T1600Z-260423T0600Z/
Central and Southeast Park County-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Larimer County Below 6000 Feet/Northwest Weld County-
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-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
115 PM MDT Tue Apr 21 2026

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO
MIDNIGHT MDT WEDNESDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY
FOR THE FRONT RANGE FOOTHILLS, URBAN CORRIDOR, PLAINS, AND SOUTH
PARK...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN
FOOTHILLS, URBAN CORRIDOR, PLAINS, AND SOUTH PARK...

The National Weather Service in Denver has issued a Fire Weather
Watch for wind and low relative humidity, which is in effect from
Thursday morning through Thursday evening.

* AFFECTED AREA...Fire Weather Zones 214, 216, 238, 239, 240,
  241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251.

* TIMING...For the Red Flag Warning, from 10 AM Wednesday to
  midnight MDT Wednesday night. For the Fire Weather Watch, from
  Thursday morning through Thursday evening.

* WINDS...For the Red Flag Warning, west 20 to 30 mph with gusts
  up to 45 mph. For the Fire Weather Watch, northwest winds
  gusting up to 50 mph.

* RELATIVE HUMIDITY...For the Red Flag Warning, 5 to 8 percent.
  For the Fire Weather Watch, as low as 10 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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$



Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Denver/Boulder CO
115 PM MDT Tue Apr 21 2026

COZ214-216-238>251-220615-
/O.NEW.KBOU.FW.A.0028.260423T1600Z-260424T0200Z/
/O.CON.KBOU.FW.W.0037.260422T1600Z-260423T0600Z/
Central and Southeast Park County-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Larimer County Below 6000 Feet/Northwest Weld County-
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-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
115 PM MDT Tue Apr 21 2026

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO
MIDNIGHT MDT WEDNESDAY NIGHT FOR WIND AND LOW RELATIVE HUMIDITY
FOR THE FRONT RANGE FOOTHILLS, URBAN CORRIDOR, PLAINS, AND SOUTH
PARK...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN
FOOTHILLS, URBAN CORRIDOR, PLAINS, AND SOUTH PARK...

The National Weather Service in Denver has issued a Fire Weather
Watch for wind and low relative humidity, which is in effect from
Thursday morning through Thursday evening.

* AFFECTED AREA...Fire Weather Zones 214, 216, 238, 239, 240,
  241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251.

* TIMING...For the Red Flag Warning, from 10 AM Wednesday to
  midnight MDT Wednesday night. For the Fire Weather Watch, from
  Thursday morning through Thursday evening.

* WINDS...For the Red Flag Warning, west 20 to 30 mph with gusts
  up to 45 mph. For the Fire Weather Watch, northwest winds
  gusting up to 50 mph.

* RELATIVE HUMIDITY...For the Red Flag Warning, 5 to 8 percent.
  For the Fire Weather Watch, as low as 10 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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$