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

70°F

21°C

Humidity 50%
Wind Speed NE 6 mph
Barometer 30.23 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 13 Aug 3:55 pm MDT
Extended Forecast for

LONG'S PEAK CO

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Steady temperature around 45. Southwest wind around 7 mph. Chance of precipitation is 80%.

    High: 45 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a steady temperature around 46. Breezy, with a west southwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely then
    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 50. West southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 50 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday 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 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 47. Breezy, with a west wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 47 °F

    Slight Chance
    Showers and
    Breezy 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 40. Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 48. Chance of precipitation is 70%.

    High: 48 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 45. Southwest wind around 7 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a steady temperature around 46. Breezy, with a west southwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday
A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 50. West southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Friday 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 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 47. Breezy, with a west wind 7 to 15 mph, with gusts as high as 21 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 40. Chance of precipitation is 50%.
Sunday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 48. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 42. Breezy.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 53. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Breezy.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 52. Breezy.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. Breezy.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 53. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.27°N 105.62°W (Elev. 12999 ft)
Last Update:
12:47 pm MDT Aug 13, 2026
Forecast Valid:
4pm MDT Aug 13, 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