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.

Light Snow

30°F

-1°C

Humidity 76%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 23°F (-5°C)
Visibility 2.50 mi
Last update 1 Jan 2:55 pm MST
Extended Forecast for

5 Miles SSW Trail Ridge 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 showers. Cloudy, with a steady temperature around 24. Breezy, with a west southwest wind around 17 mph, with gusts as high as 28 mph. Total daytime snow accumulation of less than one inch possible.

    High: 24 °F

    Chance Snow
    Showers and
    Breezy

  • Tonight

    Tonight: Snow showers likely, mainly after 1am. Patchy blowing snow. Mostly cloudy, with a low around 18. Windy, with a west wind 21 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Friday

    Friday: Snow showers likely, mainly before 3pm. Areas of blowing snow. Cloudy, with a high near 22. Windy, with a west wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 22 °F

    Snow Showers
    Likely and
    Areas Blowing
    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 16. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Breezy.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 27. Breezy, with a west southwest wind 11 to 17 mph, with gusts as high as 23 mph.

    High: 27 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Windy.

    Low: 18 °F

    Mostly Cloudy
    and Windy

  • Sunday

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

    High: 24 °F

    Slight Chance
    Snow and
    Windy

  • Sunday Night

    Sunday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 17. Breezy.

    Low: 17 °F

    Slight Chance
    Snow and
    Breezy

  • Monday

    Monday: Snow. Mostly cloudy, with a high near 21. Breezy.

    High: 21 °F

    Snow and
    Breezy

Detailed Forecast

New Year's Day
A 50 percent chance of snow showers. Cloudy, with a steady temperature around 24. Breezy, with a west southwest wind around 17 mph, with gusts as high as 28 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow showers likely, mainly after 1am. Patchy blowing snow. Mostly cloudy, with a low around 18. Windy, with a west wind 21 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow showers likely, mainly before 3pm. Areas of blowing snow. Cloudy, with a high near 22. Windy, with a west wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 16. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 27. Breezy, with a west southwest wind 11 to 17 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 18. Windy.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 24. Windy.
Sunday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 17. Breezy.
Monday
Snow. Mostly cloudy, with a high near 21. Breezy.
Monday Night
Snow likely. Mostly cloudy, with a low around 13. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 16. Breezy.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 9. Breezy.
Wednesday
A chance of snow. Partly sunny, with a high near 18. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Trail Ridge CO
 40.37°N 105.77°W (Elev. 12434 ft)
Last Update:
2:31 pm MST Jan 1, 2026
Forecast Valid:
3pm MST Jan 1, 2026-6pm MST Jan 7, 2026
 
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Additional Resources

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Chance of Precipitation