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

50°F

10°C

Humidity 79%
Wind Speed Calm
Barometer 30.47 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 14 Jul 5:35 am MDT
Extended Forecast for

Grand Lake CO

  • Today

    Today: A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 81. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny then
    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 during the early evening, then gradual clearing, with a low around 42. West southwest wind around 6 mph becoming light and variable 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 80. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 80 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 44. West southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 44 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    High: 79 °F

    Slight Chance
    Showers then
    T-storms
    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 41. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.

    High: 79 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: 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

Today
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 81. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy during the early evening, then gradual clearing, with a low around 42. West southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 44. West southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Wednesday
A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
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 41. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
Last Update:
4:01 am MDT Jul 14, 2025
Forecast Valid:
5am MDT Jul 14, 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