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

80°F

27°C

Humidity 25%
Wind Speed E 15 mph
Barometer 30.39 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Jul 5:15 pm MDT
Extended Forecast for

Grand Lake CO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. East wind around 6 mph.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 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 45. East southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday 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 42. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    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 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. East wind around 6 mph.
Tonight
A 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 45. East southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Monday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the afternoon.
Monday 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 42. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 20 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 43. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 42.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
Last Update:
2:21 pm MDT Jul 13, 2025
Forecast Valid:
5pm MDT Jul 13, 2025-6pm MDT Jul 20, 2025
 
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