co winter
Office: BOU
WWUS45 KBOU 060750
WSWBOU
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
1250 AM MST Fri Mar 6 2026
COZ036-061900-
/O.UPG.KBOU.WW.Y.0010.000000T0000Z-260307T0700Z/
/O.EXA.KBOU.WS.W.0004.000000T0000Z-260307T0700Z/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Georgetown, Idaho Springs, Westcreek,
Evergreen, Central City, and Bailey
1250 AM MST Fri Mar 6 2026
...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
* WHAT...Heavy snow. Additional snow accumulations between 8 and 14
inches.
* WHERE...The Southern Front Range Foothills.
* WHEN...Until midnight MST tonight.
* IMPACTS...Travel could be very difficult. Road closures are
possible. The hazardous conditions will impact the Friday morning
and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in your
vehicle in case of an emergency. The latest road conditions for
Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
&&
$$
COZ033-034-061900-
/O.CON.KBOU.WS.W.0004.000000T0000Z-260307T0700Z/
South and East Jackson/Larimer/North and Northeast
Grand/Northwest Boulder Counties Above 9000 Feet-South and
Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear
Creek/Summit/North and West Park Counties Above 9000 Feet-
Including the cities of Cameron Pass, East Slopes Mosquito Range,
Rabbit Ears Range, Winter Park, Laramie and Medicine Bow Mountains,
Berthoud Pass, Breckenridge, Kenosha Mountains, East Slopes Southern
Gore Range, Willow Creek Pass, Williams Fork Mountains, Indian Peaks,
Eisenhower Tunnel, Rocky Mountain National Park, and Mount Blue Sky
1250 AM MST Fri Mar 6 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
* WHAT...Heavy snow. Total snow accumulations between 6 and 14
inches.
* WHERE...Rocky Mountain National Park and the Medicine Bow Range,
and The Mountains of Summit County, the Mosquito Range, and the
Indian Peaks.
* WHEN...Until midnight MST tonight.
* IMPACTS...Travel could be very difficult. The hazardous conditions
will impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in your
vehicle in case of an emergency. The latest road conditions for
Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
&&
$$
COZ039-040-045-061900-
/O.EXB.KBOU.WW.Y.0010.260306T1200Z-260307T0300Z/
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-Central and East Adams
and Arapahoe Counties-
Including the cities of Leader, Highlands Ranch, Littleton, Boulder,
Byers, Brighton, Bennett, Denver International Airport, Arvada,
Lakewood, City of Denver, Longmont, Deer Trail, Aurora, Parker, and
Golden
1250 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING TO
8 PM MST THIS EVENING...
* WHAT...Snow expected. Total snow accumulations between 3 and 5
inches. Winds gusting as high as 35 mph east of I-25.
* WHERE...Boulder and the western suburbs of Denver, Denver, and
Byers.
* WHEN...From 5 AM early this morning to 8 PM MST this evening.
* IMPACTS...Plan on slippery and slushy road conditions at times. The
hazardous conditions will impact the Friday morning and Friday late
evening commutes. There will be periods of just wet roads,
especially in the afternoon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road conditions
for Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
&&
$$
COZ030-032-037-061900-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-260307T0700Z/
Jackson County Below 9000 Feet-Grand and Summit Counties Below
9000 Feet-Central and Southeast Park County-
Including the cities of Kremmling, Fairplay, Dillon, Hartsel, Grand
Lake, Walden, Hot Sulphur Springs, Granby, Fraser, Gould, Lake
George, Spicer, North Park, Rand, and South Park
1250 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
* WHAT...Snow. Additional snow accumulations between 3 and 7 inches.
* WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and
South Park.
* WHEN...Until midnight MST tonight.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions will impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road conditions
for Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
&&
$$
COZ031-061900-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-260307T0300Z/
West Jackson and West Grand Counties Above 9000 Feet-
Including the cities of Mt Zirkel
1250 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
* WHAT...Snow expected. Total snow accumulations between 4 and 9
inches.
* WHERE...Rabbit Ears Pass.
* WHEN...Until 8 PM MST this evening.
* IMPACTS...Plan on slippery road conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road conditions
for Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
&&
$$
COZ035-061900-
/O.CON.KBOU.WW.Y.0010.000000T0000Z-260307T0700Z/
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including the cities of Glendevey, Estes Park, Nederland, and Red
Feather Lakes
1250 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
* WHAT...Snow expected. Total snow accumulations between 4 and 12
inches, with the heaviest amounts in the foothills of Boulder
County.
* WHERE...The Northern Front Range Foothills.
* WHEN...Until midnight MST tonight.
* IMPACTS...Travel could be very difficult. The hazardous conditions
will impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road conditions
for Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
&&
$$
COZ041-061900-
/O.CON.KBOU.WW.Y.0010.260306T1300Z-260307T0700Z/
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including the cities of Fondis, Elbert, Castle Rock, Larkspur, and
Kiowa
1250 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING
TO MIDNIGHT MST TONIGHT...
* WHAT...Snow and blowing snow expected. Total snow accumulations
between 5 and 8 inches, with the heaviest snow south of Castle
Rock. Winds gusting as high as 35 mph.
* WHERE...Castle Rock.
* WHEN...From 6 AM this morning to midnight MST tonight.
* IMPACTS...Travel could be very difficult. The hazardous conditions
will impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road conditions
for Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
Roads will be slick resulting in slow and hazardous travel. Allow
extra time to reach your destination.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
20
Office: DEN
Office: PUB
WWUS45 KPUB 061349
WSWPUB
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
649 AM MST Fri Mar 6 2026
COZ058-060-062200-
/O.CON.KPUB.WW.Y.0006.000000T0000Z-260307T0700Z/
Western Mosquito Range/East Lake County Above 11000 Feet-Eastern
Sawatch Mountains Above 11000 Feet-
Including Bonanza and Climax
649 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
* WHAT...Snow. Additional snow accumulations between 6 and 12
inches. Winds gusting as high as 35 mph.
* WHERE...Eastern Sawatch Mountains Above 11000 Feet and Western
Mosquito Range and Eastern Lake County Above 11000 Feet.
* WHEN...Until midnight MST tonight.
* IMPACTS...Travel could be very difficult to impossible. Areas of
blowing snow could significantly reduce visibility with
deteriorating conditions through Friday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ059-061>063-062200-
/O.CON.KPUB.WW.Y.0006.000000T0000Z-260307T0700Z/
Leadville Vicinity/Lake County Below 11000 Feet-Western Chaffee
County Between 9000 and 11000 Feet-Central Chaffee County Below
9000 Feet-Western Mosquito Range/East Chaffee County Above
9000 Feet-
Including Granite, Alpine, Salida, Buena Vista, Leadville, and St
Elmo
649 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
* WHAT...Snow expected. Total snow accumulations between 5 and 12
inches with the highest amounts along the east facing slopes of
the Sawatch range.
* WHERE...Central Chaffee County Below 9000 Feet, Lake County Below
11000 Feet, Western Chaffee County Between 9000 and 11000 Feet,
and Western Mosquito Range and Eastern Chaffee County Above 9000
Feet.
* WHEN...Until midnight MST tonight.
* IMPACTS...Travel could be very difficult. Areas of blowing snow
could significantly reduce visibility. Expect deteriorating travel
conditions Friday morning with slick and snow covered roads
through Friday evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ068-062200-
/O.CON.KPUB.WW.Y.0006.000000T0000Z-260307T0700Z/
Eastern San Juan Mountains Above 10000 Feet-
Including Wolf Creek Pass and Cumbres Pass
649 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
* WHAT...Snow expected. Total snow accumulations between 4 and 9
inches with locally higher amounts across the higher elevations.
Winds gusting as high as 35 mph.
* WHERE...Eastern San Juan Mountains Above 10000 Feet.
* WHEN...Until midnight MST tonight.
* IMPACTS...Travel could be very difficult. Expect slick and snow
covered roads at times, especially across Wolf Creek Pass.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ072>075-079-080-082-062200-
/O.CON.KPUB.WW.Y.0006.000000T0000Z-260307T0700Z/
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-Southern
Sangre de Cristo Mountains Between 7500 and 11000 Feet-Southern
Sangre de Cristo Mountains Above 11000 Feet-Wet Mountains between
6300 and 10000 Feet-Wet Mountains Above 10000 Feet-Pikes Peak
Above 11000 Feet-
Including Pikes Peak, Poncha Pass, Blanca Peak, Stonewall,
Spanish Peaks, Weston, Rye, La Veta Pass, and Cuchara
649 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
* WHAT...Snow expected. Total snow accumulations between 4 and 12
inches. Locally higher amounts will be possible across the east
facing slopes of the Wets and northern Sangre De Cristo
mountains. Winds gusting as high as 40 mph.
* WHERE...Sangre de Cristo Mountains, Wet Mountains, and Pikes Peak
Above 11000 Feet.
* WHEN...Until midnight MST tonight.
* IMPACTS...Travel could be very difficult with blowing snow and low
visibility. Expect slick and snow covered roads with deteriorating
conditions through Friday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ076-081-084-062200-
/O.CON.KPUB.WW.Y.0006.000000T0000Z-260307T0700Z/
Northwestern Fremont County Above 8500 Feet-Teller County/Rampart
Range Above 7500 Feet/Pikes Peak Between 7500 And 11000 Feet-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Including Woodland Park and Black Forest
649 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
* WHAT...Snow expected. Total snow accumulations between 4 and 8
inches. Winds gusting as high as 40 mph.
* WHERE...Northern El Paso, Northwestern Fremont County Above 8500
Feet, and Teller County and the Rampart Range Above 7500.
* WHEN...Until midnight MST tonight.
* IMPACTS...Plan on slick and snow covered roads with periods of
blowing snow and low visibility. Conditions will deteriorate
quickly during the morning commute and remain hazardous through
the evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ077-078-062200-
/O.CON.KPUB.WW.Y.0006.000000T0000Z-260307T0700Z/
Western/Central Fremont County Below 8500 Feet-Wet Mountain
Valley Below 8500 Feet-
Including Howard, Silver Cliff, Hillside, Texas Creek, Swissvale,
Coaldale, Cotopaxi, and Westcliffe
649 AM MST Fri Mar 6 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...
* WHAT...Snow expected. Total snow accumulations between 3 and 8
inches.
* WHERE...Wet Mountain Valley, and Western and Central Fremont
County Below 8500 Feet.
* WHEN...Until midnight MST tonight.
* IMPACTS...Travel could be very difficult. Expect slick and snow
covered roads at times with deteriorating travel conditions
through the morning. Roads will remain slick and snow covered into
the evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
Visit us at http://www.weather.gov/pub
MW
Office: GJT
WWUS45 KGJT 060512
WSWGJT
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
1012 PM MST Thu Mar 5 2026
COZ017-061900-
/O.EXA.KGJT.WW.Y.0008.000000T0000Z-260307T0700Z/
Uncompahgre Plateau and Dallas Divide-
Including the cities of Ridgway, Glade Park, and Colorado National
Monument
1012 PM MST Thu Mar 5 2026
...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MST FRIDAY NIGHT
ABOVE 7000 FEET...
* WHAT...Snow Above 7000 Feet. Total snow accumulations between 6
and 10 inches. Winds gusting as high as 35 mph.
* WHERE...Uncompahgre Plateau and Dallas Divide.
* WHEN...Until midnight MST Friday Night.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ004-009-013-061900-
/O.CON.KGJT.WW.Y.0008.000000T0000Z-260307T0100Z/
Elkhead and Park Mountains-Grand and Battlement Mesas-Flat Tops-
Including the cities of Columbine, Hahns Peak, Toponas, Skyway,
Buford, and Trappers Lake
1012 PM MST Thu Mar 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST FRIDAY
ABOVE 8000 FEET...
* WHAT...Snow expected above 8000 feet. Total snow accumulations
between 6 and 10 inches with locally higher amounts along the
spine of the Park Range. Winds gusting as high as 35 mph.
* WHERE...Elkhead and Park Mountains, Flat Tops, and Grand and
Battlement Mesas.
* WHEN...Until 6 PM MST Friday.
* IMPACTS...Travel could be difficult at times. The hazardous
conditions could impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ010-061900-
/O.CON.KGJT.WW.Y.0008.000000T0000Z-260307T0700Z/
Gore and Elk Mountains/Central Mountain Valleys-
Including the cities of Aspen, Snowmass, Vail, Vail Pass, and Minturn
1012 PM MST Thu Mar 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT ABOVE 8500 FEET...
* WHAT...Snow expected above 8500 feet. Total snow accumulations
between 6 and 10 inches. Winds gusting as high as 35 mph.
* WHERE...Gore and Elk Mountains/Central Mountain Valleys.
* WHEN...Until midnight MST Friday Night.
* IMPACTS...Travel could be difficult at times. The hazardous
conditions could impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ012-061900-
/O.CON.KGJT.WW.Y.0008.000000T0000Z-260307T0700Z/
West Elk and Sawatch Mountains-
Including the cities of Crested Butte, Taylor Park, Marble, Monarch
Pass, and McClure Pass
1012 PM MST Thu Mar 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT...
* WHAT...Snow expected. Total snow accumulations between 5 and 10
inches with locally higher amounts possible. Winds gusting as high
as 35 mph.
* WHERE...West Elk and Sawatch Mountains.
* WHEN...Until midnight MST Friday Night.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ018-061900-
/O.CON.KGJT.WW.Y.0008.000000T0000Z-260307T0700Z/
Northwest San Juan Mountains-
Including the cities of Telluride, Lizard Head Pass, Ouray, Red Mtn
Pass, and Lake City
1012 PM MST Thu Mar 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT...
* WHAT...Snow expected. Total snow accumulations between 6 and 12
inches, with locally higher amounts possible. Winds gusting as
high as 40 mph.
* WHERE...Northwest San Juan Mountains.
* WHEN...Until midnight MST Friday Night.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
COZ019-061900-
/O.CON.KGJT.WW.Y.0008.000000T0000Z-260307T0700Z/
Southwest San Juan Mountains-
Including the cities of Silverton, Molas Pass, Coal Bank Pass, Rico,
and Hesperus
1012 PM MST Thu Mar 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT ABOVE 9500 FEET...
* WHAT...Snow expected above 9500 feet. Total snow accumulations
between 5 and 10 inches, with locally higher amounts possible.
Winds gusting as high as 40 mph.
* WHERE...Southwest San Juan Mountains.
* WHEN...Until midnight MST Friday Night.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Friday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
UTZ023-061900-
/O.CON.KGJT.WW.Y.0008.000000T0000Z-260307T0100Z/
Eastern Uinta Mountains-
Including the cities of Manila and Dutch John
1012 PM MST Thu Mar 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST FRIDAY
ABOVE 8000 FEET...
* WHAT...Snow expected above 8000 feet. Total snow accumulations
between 4 and 8 inches, with locally higher amounts possible.
Winds gusting as high as 45 mph.
* WHERE...Eastern Uinta Mountains.
* WHEN...Until 6 PM MST Friday.
* IMPACTS...Travel could be difficult at times. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes. Gusty winds could bring down tree branches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
GJT
Office: GLD
