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.

Partly Cloudy

76°F

24°C

Humidity 15%
Wind Speed W 8 G 21 mph
Barometer 30.31 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 9 Aug 2:35 pm MDT
Extended Forecast for

Grand Lake CO

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 71. West wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 71 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38. West northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 9am. Partly sunny, with a high near 66. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 33. Northeast wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70. Calm wind becoming north northeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 71. West wind 9 to 11 mph, with gusts as high as 18 mph.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38. West northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 9am. Partly sunny, with a high near 66. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 33. Northeast wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 70. Calm wind becoming north northeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.28°N 105.82°W (Elev. 9275 ft)
Last Update:
2:37 pm MDT Aug 9, 2025
Forecast Valid:
2pm MDT Aug 9, 2025-6pm MDT Aug 15, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation