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.

Fair

41°F

5°C

Humidity 39%
Wind Speed SE 6 mph
Barometer 30.57 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 7 Aug 6:15 am MDT
Extended Forecast for

Grand Lake CO

  • Today

    Today: Areas of smoke. Sunny, with a high near 86. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 86 °F

    Areas Smoke

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 43. West northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 43 °F

    Areas Smoke

  • Saturday

    Saturday: Increasing clouds, with a high near 85. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 85 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Light west wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Areas of smoke. Sunny, with a high near 86. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Areas of smoke. Mostly clear, with a low around 43. West northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Saturday
Increasing clouds, with a high near 85. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 50. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Light west wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 49.
Monday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Monday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
Last Update:
12:46 am MDT Aug 7, 2026
Forecast Valid:
6am MDT Aug 7, 2026-6pm MDT Aug 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation