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

77°F

25°C

Humidity 22%
Wind Speed S 5 mph
Barometer 30.45 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 13 Jul 12:15 pm MDT
Extended Forecast for

Grand Lake CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. Northeast wind 3 to 7 mph.

    High: 77 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. East southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 79. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 79 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 3 to 7 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Slight Chance
    Showers then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. Northeast wind 3 to 7 mph.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. East southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Monday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 79. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 3 to 7 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 76. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.23°N 105.85°W (Elev. 8369 ft)
Last Update:
4:01 am MDT Jul 13, 2025
Forecast Valid:
12pm MDT Jul 13, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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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