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

18°F

-8°C

Humidity 82%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 1 Jan 8:55 am MST
Extended Forecast for

LONG'S PEAK CO

Winter Weather Advisory January 2, 12:00am until January 2, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • New Year's Day

    New Year's Day: A 50 percent chance of snow. Cloudy, with a temperature falling to around 22 by 3pm. Windy, with a west wind 25 to 29 mph, with gusts as high as 43 mph. Total daytime snow accumulation of less than one inch possible.

    High: 27 °F⇓

    Chance Snow
    and Windy

  • Tonight

    Tonight: Snow. Steady temperature around 22. Windy, with a west wind 30 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow and
    Windy

  • Friday

    Friday: Snow. High near 23. Wind chill values as low as zero. Very windy, with a west wind 34 to 38 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 23 °F

    Snow and Very
    Windy

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 17. Wind chill values as low as -3. Very windy, with a west wind 36 to 39 mph, with gusts as high as 49 mph. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Chance Snow
    and Very
    Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 26. Windy, with a west wind 27 to 32 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 26 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20. Very windy.

    Low: 20 °F

    Partly Cloudy
    and Very
    Windy

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly sunny, with a high near 24. Very windy.

    High: 24 °F

    Slight Chance
    Snow and Very
    Windy

  • Sunday Night

    Sunday Night: A slight chance of snow after 11pm. Partly cloudy, with a low around 17. Very windy.

    Low: 17 °F

    Slight Chance
    Snow and Very
    Windy

  • Monday

    Monday: A chance of snow. Partly sunny, with a high near 22. Very windy.

    High: 22 °F

    Chance Snow
    and Very
    Windy

Detailed Forecast

New Year's Day
A 50 percent chance of snow. Cloudy, with a temperature falling to around 22 by 3pm. Windy, with a west wind 25 to 29 mph, with gusts as high as 43 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. Steady temperature around 22. Windy, with a west wind 30 to 33 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow. High near 23. Wind chill values as low as zero. Very windy, with a west wind 34 to 38 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 17. Wind chill values as low as -3. Very windy, with a west wind 36 to 39 mph, with gusts as high as 49 mph. New snow accumulation of less than one inch possible.
Saturday
Mostly sunny, with a high near 26. Windy, with a west wind 27 to 32 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph.
Saturday Night
Partly cloudy, with a low around 20. Very windy.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 24. Very windy.
Sunday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 17. Very windy.
Monday
A chance of snow. Partly sunny, with a high near 22. Very windy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 14. Windy.
Tuesday
Snow likely. Mostly cloudy, with a high near 17. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 11. Windy.
Wednesday
A chance of snow. Partly sunny, with a high near 15. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.27°N 105.62°W (Elev. 12999 ft)
Last Update:
3:26 am MST Jan 1, 2026
Forecast Valid:
9am MST Jan 1, 2026-6pm MST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation