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

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

44°F

7°C

Humidity 67%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 1 Mar 5:35 pm MST
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Light south wind.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. Light south southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 8pm, then a slight chance of rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Partly cloudy, with a low around 21. Southwest wind 3 to 5 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow. High near 41. West wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 17. Light west southwest wind.

    Low: 17 °F

    Chance Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of snow, mainly after 11am. Partly sunny, with a high near 48.

    High: 48 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. Light south wind.
Monday
Mostly sunny, with a high near 52. Light south southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
A slight chance of rain before 8pm, then a slight chance of rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Partly cloudy, with a low around 21. Southwest wind 3 to 5 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 41. West wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 17. Light west southwest wind.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 18.
Thursday
A chance of snow, mainly after 11am. Partly sunny, with a high near 48.
Thursday Night
Snow likely. Mostly cloudy, with a low around 16.
Friday
Snow. Mostly cloudy, with a high near 37.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10.
Saturday
A chance of snow. Mostly sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 15.
Sunday
A chance of snow. Mostly sunny, with a high near 47.
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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:
11:46 am MST Mar 1, 2026
Forecast Valid:
5pm MST Mar 1, 2026-6pm MDT Mar 8, 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