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

65°F

18°C

Humidity 36%
Wind Speed W 5 mph
Barometer 30.54 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 31 Aug 12:35 pm MDT
Extended Forecast for

Grand Lake CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Northwest wind around 8 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. North wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 35 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 72. Calm wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. East northeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 72 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 35. North wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Labor Day
Sunny, with a high near 72. Calm wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 36. East northeast wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 35.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.82°W (Elev. 8386 ft)
Last Update:
4:01 am MDT Aug 31, 2025
Forecast Valid:
1pm MDT Aug 31, 2025-6pm MDT Sep 6, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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