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.

Partly Cloudy

81°F

27°C

Humidity 22%
Wind Speed SW 9 G 21 mph
Barometer 30.47 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Aug 2:35 pm MDT
Extended Forecast for

4 Miles SW LONG'S PEAK CO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 58. West wind around 8 mph.

    High: 58 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 42. West wind 7 to 9 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 56. West wind 7 to 10 mph, with gusts as high as 15 mph.

    High: 56 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 42. Northwest wind around 7 mph becoming south in the evening.

    Low: 42 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 56. West wind around 7 mph becoming north northeast in the afternoon. Chance of precipitation is 70%.

    High: 56 °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, with a low around 43. Chance of precipitation is 40%.

    Low: 43 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Slight Chance
    T-storms then
    Partly Cloudy
    and Breezy

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. Breezy.

    High: 59 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 58. West wind around 8 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 42. West wind 7 to 9 mph. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Increasing clouds, with a high near 56. West wind 7 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 42. Northwest wind around 7 mph becoming south in the evening.
Wednesday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 56. West wind around 7 mph becoming north northeast in the afternoon. 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, with a low around 43. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43. Breezy.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. Breezy.
Friday Night
Mostly cloudy, with a low around 44. Breezy.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 58. Breezy.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Breezy.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 56. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW LONG'S PEAK CO
 40.22°N 105.67°W (Elev. 12001 ft)
Last Update:
12:46 pm MDT Aug 24, 2026
Forecast Valid:
2pm MDT Aug 24, 2026-6pm MDT Aug 30, 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