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.

Mostly Cloudy

50°F

10°C

Humidity 75%
Wind Speed S 6 mph
Barometer 30.34 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 9 Sep 9:15 pm MDT
Extended Forecast for

Grand Lake CO

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. South wind 3 to 6 mph.

    Low: 43 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 45. Southwest wind 5 to 8 mph becoming south southeast in the evening.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. Light southwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    High: 69 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 42. West southwest wind 3 to 7 mph. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. South wind 3 to 6 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 45. Southwest wind 5 to 8 mph becoming south southeast in the evening.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. Light southwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 42. West southwest wind 3 to 7 mph. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.23°N 105.79°W (Elev. 8599 ft)
Last Update:
2:25 pm MDT Sep 9, 2025
Forecast Valid:
9pm MDT Sep 9, 2025-6pm MDT Sep 16, 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