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

72°F

22°C

Humidity 25%
Wind Speed NW 20 G 28 mph
Barometer 30.36 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 15 Jul 12:15 pm MDT
Extended Forecast for

Grand Lake CO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 80. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 43 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Increasing clouds, with a high near 77. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 77 °F

    Mostly Sunny
    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. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

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

    Low: 44 °F

    Mostly Cloudy

  • Friday

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

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 80. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely after noon. Increasing clouds, with a high near 77. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 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. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Saturday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 77.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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 Jul 15, 2025
Forecast Valid:
12pm MDT Jul 15, 2025-6pm MDT Jul 21, 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