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

65°F

18°C

Humidity 43%
Wind Speed S 3 mph
Barometer 30.35 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 Jul 10:15 am MDT
Extended Forecast for

Guanella Pass CO

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 64. Breezy, with a west northwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 64 °F

    Breezy. Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 40. Northwest wind 7 to 9 mph becoming west southwest in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after noon. High near 63. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 63 °F

    Mostly Sunny
    then T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 38. Northwest wind 6 to 8 mph becoming south after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Showers and possibly a thunderstorm after noon. High near 63. West wind around 8 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    High: 63 °F

    Partly Sunny
    then T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Mostly Sunny
    then T-storms
    Likely

  • Friday Night

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

    Low: 40 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Showers and possibly a thunderstorm after noon. Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny
    then T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 64. Breezy, with a west northwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 40. Northwest wind 7 to 9 mph becoming west southwest in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Wednesday
Showers and possibly a thunderstorm after noon. High near 63. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 38. Northwest wind 6 to 8 mph becoming south after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm after noon. High near 63. West wind around 8 mph becoming east in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Friday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 62. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.
Saturday
Showers and possibly a thunderstorm after noon. Partly sunny, with a high near 61.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 62.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Guanella Pass CO
 39.6°N 105.72°W (Elev. 11752 ft)
Last Update:
4:01 am MDT Jul 15, 2025
Forecast Valid:
10am 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