588
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

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