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.

Mostly Cloudy

29°F

-2°C

Humidity 58%
Wind Speed SE 6 mph
Barometer 30.26 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 7 Dec 2:55 pm MST
Extended Forecast for

Grand Lake CO

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 30. Breezy, with a west southwest wind around 15 mph, with gusts as high as 22 mph.

    High: 30 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 10. Wind chill values as low as zero. South southwest wind 9 to 11 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Chance Snow

  • Monday

    Monday: A 30 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 35. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Breezy.
    Chance Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. West southwest wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 41. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 41 °F

    Slight Chance
    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25. Breezy.

    Low: 25 °F

    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: Snow likely before 11am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41. Breezy. Chance of precipitation is 60%.

    High: 41 °F

    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow. Mostly cloudy, with a low around 27. Breezy.

    Low: 27 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 43. Breezy.

    High: 43 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 30. Breezy, with a west southwest wind around 15 mph, with gusts as high as 22 mph.
Tonight
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 10. Wind chill values as low as zero. South southwest wind 9 to 11 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Monday
A 30 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 35. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 14. West southwest wind 10 to 13 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 41. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Tuesday Night
A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25. Breezy.
Wednesday
Snow likely before 11am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41. Breezy. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Breezy.
Thursday
A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 43. Breezy.
Thursday Night
A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 23. Breezy.
Friday
A chance of snow. Partly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
Last Update:
1:27 pm MST Dec 7, 2025
Forecast Valid:
3pm MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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