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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

21°F

-6°C

Humidity 80%
Wind Speed Calm
Barometer 30.33 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 31 Dec 10:35 pm MST
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. West wind around 5 mph.

    Low: 19 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Snow likely, mainly after 11am. Cloudy, with a high near 41. West southwest wind 3 to 8 mph. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a steady temperature around 29. West wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 40. West wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. West southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow after 11am. Mostly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A slight chance of snow. Partly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. West wind around 5 mph.
New Year's Day
Snow likely, mainly after 11am. Cloudy, with a high near 41. West southwest wind 3 to 8 mph. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Cloudy, with a steady temperature around 29. West wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 40. West wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 20. West southwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A slight chance of snow after 11am. Mostly sunny, with a high near 43.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 19.
Monday
A chance of snow. Partly sunny, with a high near 39.
Monday Night
A chance of snow. Partly cloudy, with a low around 15.
Tuesday
A chance of snow. Partly sunny, with a high near 36.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 12.
Wednesday
A chance of snow. Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
Last Update:
2:06 pm MST Dec 31, 2025
Forecast Valid:
10pm MST Dec 31, 2025-6pm MST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation