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.

Overcast

58°F

14°C

Humidity 77%
Wind Speed Calm
Barometer 30.33 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 14 Aug 12:35 am MDT
Extended Forecast for

4 Miles NW LONG'S PEAK CO

  • Overnight

    Overnight: A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 49. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Slight Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 68. West southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    High: 68 °F

    Slight Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 48. Light west southwest wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: Showers and possibly a thunderstorm after noon. High near 65. West wind 5 to 9 mph becoming light west southwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%.

    High: 65 °F

    Mostly Sunny
    then T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 46. West wind 3 to 7 mph. Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 49. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 68. West southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then a slight chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 48. Light west southwest wind becoming west 5 to 9 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm after noon. High near 65. West wind 5 to 9 mph becoming light west southwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 46. West wind 3 to 7 mph. Chance of precipitation is 40%.
Sunday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 65. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 69.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW LONG'S PEAK CO
 40.31°N 105.65°W (Elev. 10000 ft)
Last Update:
12:47 pm MDT Aug 13, 2026
Forecast Valid:
12am MDT Aug 14, 2026-6pm MDT Aug 20, 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