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

Granby-Grand County Airport (KGNB)

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

Overcast

37°F

3°C

Humidity 81%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 Oct 8:55 pm MDT
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: Snow likely, possibly mixed with rain before midnight, then snow. Low around 31. South wind 3 to 5 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 31 °F

    Rain/Snow
    Likely then
    Snow

  • Thursday

    Thursday: Snow, mainly before noon. High near 46. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Snow then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 11. North wind around 6 mph becoming calm after midnight.

    Low: 11 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 20. Calm wind becoming west around 5 mph.

    Low: 20 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, possibly mixed with rain before midnight, then snow. Low around 31. South wind 3 to 5 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
Thursday
Snow, mainly before noon. High near 46. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 11. North wind around 6 mph becoming calm after midnight.
Friday
Sunny, with a high near 56. Light and variable wind.
Friday Night
Clear, with a low around 20. Calm wind becoming west around 5 mph.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Sunny, with a high near 61.
Tuesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 27.
Wednesday
A chance of rain and snow showers. Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
Last Update:
12:47 pm MDT Oct 14, 2026
Forecast Valid:
9pm MDT Oct 14, 2026-6pm MDT Oct 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation