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.

Overcast

38°F

3°C

Humidity 54%
Wind Speed SE 3 mph
Barometer 30.24 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 22 Mar 6:55 am MDT
Extended Forecast for

Grand Lake CO

  • Today

    Today: Mostly sunny, with a high near 59. West wind 3 to 8 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 60. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

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

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of rain after noon. Mostly sunny, with a high near 66.

    High: 66 °F

    Sunny then
    Slight Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 59. West wind 3 to 8 mph.
Tonight
Partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Monday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 60. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 65. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
A slight chance of rain after noon. Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 27.
Friday
A slight chance of rain. Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 24.
Saturday
A slight chance of rain. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake CO
 40.25°N 105.85°W (Elev. 8599 ft)
Last Update:
12:46 am MDT Mar 22, 2026
Forecast Valid:
7am MDT Mar 22, 2026-6pm MDT Mar 28, 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