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

62°F

17°C

Humidity 78%
Wind Speed E 10 mph
Barometer 30.25 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Aug 4:35 pm MDT
Extended Forecast for

10 Miles NNE Silverthorne CO

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Steady temperature around 65. West wind around 6 mph. Chance of precipitation is 80%.

    High: 65 °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 6 mph becoming light and variable. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly after noon. High near 71. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 71 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 41. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 71. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 80%.

    High: 71 °F

    Slight Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers and thunderstorms likely after 9am. Partly sunny, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday 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

  • Sunday

    Sunday: A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers then
    T-storms
    Likely

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 65. West wind around 6 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 6 mph becoming light and variable. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm, mainly after noon. High near 71. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 41. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 71. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday
A slight chance of showers, then showers and thunderstorms likely after 9am. Partly sunny, with a high near 70. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40.
Sunday
A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 70.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 39.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 71.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Silverthorne CO
 39.8°N 106.03°W (Elev. 8996 ft)
Last Update:
12:46 pm MDT Aug 12, 2026
Forecast Valid:
5pm MDT Aug 12, 2026-6pm MDT Aug 19, 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