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.

Thunderstorm in Vicinity and Breezy

68°F

20°C

Humidity 44%
Wind Speed SE 25 G 38 mph
Barometer 30.26 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Aug 2:35 pm MDT
Extended Forecast for

LONG'S PEAK CO

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 59. West southwest wind around 8 mph. Chance of precipitation is 80%.

    High: 59 °F

    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 44. West wind around 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 56. West wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 80%.

    High: 56 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 41. West wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 54. Breezy, with a west wind 11 to 16 mph becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

    High: 54 °F

    Slight Chance
    Showers and
    Breezy then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 52. Chance of precipitation is 80%.

    High: 52 °F

    Chance
    Showers then
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers then
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 59. West southwest wind around 8 mph. Chance of precipitation is 80%.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 44. West wind around 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 56. West wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 41. West wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Friday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 54. Breezy, with a west wind 11 to 16 mph becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Saturday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 52. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 40.
Sunday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 52.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 40.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 54.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Breezy.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 56. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.24°N 105.62°W (Elev. 12064 ft)
Last Update:
12:46 pm MDT Aug 12, 2026
Forecast Valid:
2pm MDT Aug 12, 2026-6pm MDT Aug 18, 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