National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

47°F

8°C

Humidity 80%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 15 Jul 7:15 am MDT
Extended Forecast for

11 Miles N Silverthorne CO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 73. Southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 73 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 44. West northwest wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 20%.

    Low: 44 °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. Increasing clouds, with a high near 71. South wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 71 °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. Partly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 17 mph. 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. Partly sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 73. Southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 44. West northwest wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 20%.
Wednesday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Increasing clouds, with a high near 71. South wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 43. Northwest wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 20%.
Friday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.
Saturday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Silverthorne CO
 39.82°N 106.03°W (Elev. 9800 ft)
Last Update:
4:01 am MDT Jul 15, 2025
Forecast Valid:
7am MDT Jul 15, 2025-6pm MDT Jul 21, 2025
 
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