National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Partly Cloudy

36°F

2°C

Humidity 61%
Wind Speed SW 7 mph
Barometer 29.87 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 27 Dec 5:35 am MST
Extended Forecast for

Berthoud Pass CO

Winter Weather Advisory December 27, 11:00am until December 28, 11:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 40 percent chance of snow. Mostly cloudy, with a low around 19. Windy, with a west wind around 25 mph, with gusts as high as 41 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    and Windy

  • Saturday

    Saturday: Snow likely, mainly after 2pm. Patchy blowing snow after 11am. Mostly cloudy, with a high near 22. Windy, with a west southwest wind 21 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 22 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 0. Wind chill values as low as -15. Blustery, with a west northwest wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 0 °F

    Heavy Snow
    and Blustery

  • Sunday

    Sunday: Snow, mainly before 11am. Patchy blowing snow before 11am. High near 2. Wind chill values as low as -24. Blustery, with a west northwest wind 22 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 2 °F

    Snow and
    Patchy
    Blowing Snow
    then Chance
    Snow and
    Blustery

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -1. Breezy, with a west wind 17 to 20 mph, with gusts as high as 29 mph.

    Low: -1 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 15. Breezy.

    High: 15 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8. Breezy.

    Low: 8 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 24. Breezy.

    High: 24 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. Breezy.

    Low: 13 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a low around 19. Windy, with a west wind around 25 mph, with gusts as high as 41 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly after 2pm. Patchy blowing snow after 11am. Mostly cloudy, with a high near 22. Windy, with a west southwest wind 21 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 0. Wind chill values as low as -15. Blustery, with a west northwest wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow, mainly before 11am. Patchy blowing snow before 11am. High near 2. Wind chill values as low as -24. Blustery, with a west northwest wind 22 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Mostly clear, with a low around -1. Breezy, with a west wind 17 to 20 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 15. Breezy.
Monday Night
Mostly clear, with a low around 8. Breezy.
Tuesday
Sunny, with a high near 24. Breezy.
Tuesday Night
Mostly clear, with a low around 13. Breezy.
Wednesday
Mostly sunny, with a high near 25. Breezy.
Wednesday Night
Mostly cloudy, with a low around 16. Breezy.
New Year's Day
A slight chance of snow. Partly sunny, with a high near 28. Breezy.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 20. Breezy.
Friday
A chance of snow. Mostly cloudy, with a high near 25. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Berthoud Pass CO
 39.79°N 105.77°W (Elev. 11749 ft)
Last Update:
3:26 am MST Dec 27, 2025
Forecast Valid:
5am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation