Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1047 AM MST Fri Dec 5 2025

COZ030>051-061800-
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-
1047 AM MST Fri Dec 5 2025

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

.DAY ONE...Today and Tonight

Scattered mountain snow showers will continue through this
afternoon, with slick travel conditions possible across the high
mountain passes. A brief break in the snow is expected this
evening, before snow becomes more widespread overnight tonight.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Snow and windy conditions will prevail in the mountains Saturday.
Travel is expected to be very difficult through the mountains
Saturday due to heavy snowfall and blowing snow with road
closures possible. Conditions will slowly to improve Saturday
night, but light snow is expected to linger into Sunday with snow
covered and slick roads possible on Sunday, especially during the
morning.

For next week, periods of snow will be possible over the northern
mountains through the middle part of next week. Across the plains,
dry conditions are expected to continue, with a gradual warming
trend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

COZ004-010-031-034-062345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED AVALANCHE WARNING
COLORADO AVALANCHE INFORMATION CENTER
RELAYED BY NATIONAL WEATHER SERVICE DENVER/BOULDER CO
443 PM MST FRI DEC 05 2025

THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE
COLORADO AVALANCHE INFORMATION CENTER.

...AVALANCHE WARNING IN EFFECT THROUGH 5 PM SATURDAY...

*WHAT...Very dangerous avalanche conditions. The Avalanche Danger is
HIGH (Level 4 of 5) through Saturday

*WHERE...Park Range and the Gore Range

*WHEN...Expect very dangerous avalanche conditions through Saturday
at 5 PM.

*IMPACTS...Heavy snow and strong winds are creating very dangerous
avalanche conditions. Large and dangerous avalanches are easy to
trigger. Large avalanches will release naturally from wind-loaded
slopes.

*PRECAUTION/PREPAREDNESS ACTIONS...Travel in backcountry avalanche
terrain is not recommended through Saturday. Avoid travel on and
under slopes with a slope angle steeper than about 30 degrees. You
can findmore detailed information at colorado.gov/avalanche

JK

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
135 PM MST Fri Dec 5 2025

COZ033-034-060630-
/O.CON.KBOU.WS.W.0007.251206T0600Z-251207T0600Z/
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 Berthoud Pass, East Slopes Southern Gore
Range, Winter Park, Laramie and Medicine Bow Mountains, Breckenridge,
East Slopes Mosquito Range, Williams Fork Mountains, Cameron Pass,
Indian Peaks, Rabbit Ears Range, Mount Blue Sky, Kenosha Mountains,
Eisenhower Tunnel, Rocky Mountain National Park, and Willow Creek
Pass
135 PM MST Fri Dec 5 2025

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST SATURDAY...

* WHAT...Heavy snow and blowing snow expected. Total snow
  accumulations between 7 and 15 inches, with isolated totals up to
  20 inches possible. Winds gusting as high as 65 mph.

* WHERE...Rocky Mountain National Park and the Medicine Bow Range,
  and The Mountains of Summit County, the Mosquito Range, and the
  Indian Peaks.

* WHEN...From 11 PM this evening to 11 PM MST Saturday.

* IMPACTS...Snow and blowing snow will reduce visibility to a quarter
  mile or less. Near blizzard conditions are possible, especially
  Saturday morning. Travel will be very difficult to impossible, with
  road closures possible.

* ADDITIONAL DETAILS...The heaviest snow is expected to fall late
  tonight through the first half of Saturday, with light to moderate
  snow Saturday afternoon and Saturday night. Significant blowing
  snow is expected as winds increase late Saturday morning into
  Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

It is strongly recommended to alter travel plans in the Colorado
mountains Friday night through Saturday night. 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.

&&

$$

Hazard Report Provided By forecast.weather.gov