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 >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Partly Cloudy

37°F

3°C

Humidity 62%
Wind Speed W 16 G 22 mph
Barometer 29.89 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 27 Dec 4:15 am MST
Extended Forecast for

9 Miles WNW Berthoud Falls 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 30 percent chance of snow.  Mostly cloudy, with a low around 18. Breezy, with a west southwest wind around 22 mph, with gusts as high as 36 mph.  Little or no snow accumulation expected.

    Low: 18 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: Snow likely, mainly after 11am.  Patchy blowing snow after 11am. Mostly cloudy, with a high near 22. Breezy, with a west southwest wind 18 to 21 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches 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 wind 16 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 0 °F

    Heavy Snow
    and Blustery

  • Sunday

    Sunday: Snow, mainly before 11am.  High near 3. Wind chill values as low as -22. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 3 °F

    Blustery.
    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -4. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: -4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 15.

    High: 15 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a low around 18. Breezy, with a west southwest wind around 22 mph, with gusts as high as 36 mph. Little or no snow accumulation expected.
Saturday
Snow likely, mainly after 11am. Patchy blowing snow after 11am. Mostly cloudy, with a high near 22. Breezy, with a west southwest wind 18 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches 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 wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday
Snow, mainly before 11am. High near 3. Wind chill values as low as -22. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Mostly clear, with a low around -4. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 15.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Mostly cloudy, with a low around 14.
New Year's Day
A slight chance of snow. Partly sunny, with a high near 28.
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 25.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Berthoud Falls CO
 39.83°N 105.95°W (Elev. 11998 ft)
3:26 am MST Dec 27, 2025
4am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database