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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

25°F

-4°C

Humidity 76%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 1 Jan 11:15 am MST
Extended Forecast for

Arapahoe Peak CO

  • New Year's Day

    New Year's Day: A 50 percent chance of snow. Cloudy, with a high near 23. Breezy, with a west wind around 24 mph, with gusts as high as 36 mph. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: Snow. Low around 16. Wind chill values as low as -2. Windy, with a west wind 26 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Snow and
    Windy

  • Friday

    Friday: Snow, mainly before 5pm. High near 21. Wind chill values as low as -3. Windy, with a west wind 30 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 21 °F

    Snow and
    Windy

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14. Wind chill values as low as -4. Windy, with a west wind 29 to 32 mph, with gusts as high as 44 mph. New snow accumulation of around an inch possible.

    Low: 14 °F

    Chance Snow
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 23. Windy, with a west wind 18 to 26 mph, with gusts as high as 33 mph.

    High: 23 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17. Windy.

    Low: 17 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly sunny, with a high near 23. Windy.

    High: 23 °F

    Slight Chance
    Snow and
    Windy

  • Sunday Night

    Sunday Night: A slight chance of snow after 11pm. Partly cloudy, with a low around 14. Windy.

    Low: 14 °F

    Slight Chance
    Snow and
    Windy

  • Monday

    Monday: A chance of snow. Partly sunny, with a high near 21. Windy.

    High: 21 °F

    Chance Snow
    and Windy

Detailed Forecast

New Year's Day
A 50 percent chance of snow. Cloudy, with a high near 23. Breezy, with a west wind around 24 mph, with gusts as high as 36 mph. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow. Low around 16. Wind chill values as low as -2. Windy, with a west wind 26 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow, mainly before 5pm. High near 21. Wind chill values as low as -3. Windy, with a west wind 30 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Friday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14. Wind chill values as low as -4. Windy, with a west wind 29 to 32 mph, with gusts as high as 44 mph. New snow accumulation of around an inch possible.
Saturday
Mostly sunny, with a high near 23. Windy, with a west wind 18 to 26 mph, with gusts as high as 33 mph.
Saturday Night
Partly cloudy, with a low around 17. Windy.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 23. Windy.
Sunday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 14. Windy.
Monday
A chance of snow. Partly sunny, with a high near 21. Windy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 13. Windy.
Tuesday
Snow likely. Mostly cloudy, with a high near 15. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 9. Windy.
Wednesday
A chance of snow. Partly sunny, with a high near 14. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
3:26 am MST Jan 1, 2026
Forecast Valid:
11am MST Jan 1, 2026-6pm MST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation