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 74%
Wind Speed W 9 mph
Barometer 29.91 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 27 Dec 2:55 am MST
Extended Forecast for

Granby CO

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 30. West southwest wind around 8 mph.

    Low: 30 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Snow likely, mainly after 2pm. Mostly cloudy, with a high near 39. Breezy, with a west southwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow Likely
    and Breezy

  • Saturday Night

    Saturday Night: Snow. Low around 10. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 10 °F

    Snow

  • Sunday

    Sunday: Snow likely, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 22. Wind chill values as low as -2. Breezy, with a west wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Snow Likely
    then Chance
    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -5. West wind 5 to 7 mph becoming calm in the evening.

    Low: -5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 3.

    Low: 3 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 30. West southwest wind around 8 mph.
Saturday
Snow likely, mainly after 2pm. Mostly cloudy, with a high near 39. Breezy, with a west southwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Snow. Low around 10. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow likely, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 22. Wind chill values as low as -2. Breezy, with a west wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Mostly clear, with a low around -5. West wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 29.
Monday Night
Clear, with a low around 3.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 7.
Wednesday
Sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 11.
New Year's Day
A slight chance of snow. Partly sunny, with a high near 43.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 18.
Friday
A chance of snow. Mostly cloudy, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Granby CO
 40.09°N 105.92°W (Elev. 8159 ft)
Last Update:
9:39 pm MST Dec 26, 2025
Forecast Valid:
3am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation