National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Mostly Cloudy

51°F

11°C

Humidity 94%
Wind Speed Calm
Barometer 30.50 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 23 Aug 4:35 am MDT
Extended Forecast for

2 Miles WNW Grand Lake CO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 77. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 45. West southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 77. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday 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. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%.

    High: 76 °F

    Sunny then
    Showers
    Likely

  • Tuesday Night

    Tuesday 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 40. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 77. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 45. West southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 77. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Monday 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. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Tuesday 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 40. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
Last Update:
2:19 am MDT Aug 23, 2026
Forecast Valid:
4am MDT Aug 23, 2026-6pm MDT Aug 29, 2026
 
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