Watches, Warnings & Advisories



2 products issued by NWS for: Denver CO

Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Denver/Boulder CO
330 AM MDT Tue Mar 18 2025

...RED FLAG WARNING IN EFFECT FROM TUESDAY MORNING 10 AM THROUGH
TUESDAY EVENING 4 PM FOR WIND AND LOW RELATIVE HUMIDITY FOR THE
DENVER METRO, PORTIONS OF THE NORTHEAST PLAINS OF COLORADO, AND
THE SOUTHERN FOOTHILLS...FIRE WEATHER ZONES 216...239, 240, 241,
243, 244, 245 and 249...
...RED FLAG WARNING IN EFFECT FROM TUESDAY MORNING 10 AM THROUGH
TUESDAY EVENING 7 PM FOR WIND AND LOW RELATIVE HUMIDITY FOR THE
EAST CENTRAL PLAINS OF COLORADO...FIRE WEATHER ZONES 246 AND
247...

COZ216-239>241-243>245-249-182100-
/O.CON.KBOU.FW.W.0006.250318T1600Z-250318T2200Z/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
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-Washington County-
330 AM MDT Tue Mar 18 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
4 PM MDT THIS AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR
THE SOUTHERN FOOTHILLS...

* AFFECTED AREA...Fire Weather Zones 216, 239, 240, 241, 243,
  244, 245 and 249.

* TIMING...From 10 AM this morning to 4 PM MDT this afternoon.

* WINDS...West 20 to 30 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 15 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.

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1109 AM MDT Mon Mar 17 2025

COZ030>051-181715-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
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-
1109 AM MDT Mon Mar 17 2025


This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...This Afternoon and Tonight

Warm, dry, and windy conditions will continue across the forecast
area today. Rad Flag warnings are in effect from 11 AM MDT this
morning through 7 PM MDT this evening for all of the plains, the
southern Front Range Foothills and South Park. Winds gusts will
get up to 60 mph this afternoon over the mountain ridging and
windiest foothills locations. Gusts up to 40 mph are possible over
the rest of the forecast area.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Another storm system will bring snow to the mountains by Tuesday
morning, with rain and snow spreading across the plains Tuesday
afternoon and changing to snow by evening. Strong winds gusting up
to 55 mph are also expected Tuesday night, and some travel
impacts from the snow and wind are likely over the mountain passes
and possible in the foothills near Denver, and in the areas just
south and southeast of Denver. While heavy snow is not expected on
the plains, a combination of light snow and blowing snow is
likely Tuesday evening.

Additional weather systems are expected to bring light to moderate
snow in the mountains and a chance of rain or snow at lower
elevations Thursday night into Friday and again over the weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$