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

79°F

26°C

Humidity 18%
Wind Speed W 10 G 17 mph
Barometer 30.29 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Jul 5:15 pm MDT
Extended Forecast for

4 Miles WNW Guanella Pass CO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 55. West northwest wind around 13 mph, with gusts as high as 21 mph.

    High: 55 °F

    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 39. Northwest wind 8 to 13 mph becoming west southwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain showers before 7am, then a slight chance of rain and snow showers between 7am and 8am, then rain showers after 8am. Some thunder is also possible. High near 54. West wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 54 °F

    Slight Chance
    Rain/Snow
    then T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 37. West northwest wind around 14 mph becoming south southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Showers and possibly a thunderstorm after noon. High near 52. West wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 52 °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 39. Breezy. Chance of precipitation is 40%.

    Low: 39 °F

    Breezy.
    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 70%.

    High: 53 °F

    Partly Sunny
    and Breezy
    then T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Showers and possibly a thunderstorm after noon. Partly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny
    then T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 55. West northwest wind around 13 mph, with gusts as high as 21 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 39. Northwest wind 8 to 13 mph becoming west southwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of rain showers before 7am, then a slight chance of rain and snow showers between 7am and 8am, then rain showers after 8am. Some thunder is also possible. High near 54. West wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 37. West northwest wind around 14 mph becoming south southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm after noon. High near 52. West wind 10 to 14 mph, with gusts as high as 20 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 39. Breezy. Chance of precipitation is 40%.
Friday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38.
Saturday
Showers and possibly a thunderstorm after noon. Partly sunny, with a high near 52.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38. Breezy.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 53. Breezy.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 38. Breezy.
Monday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 53. Breezy.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 39. Breezy.
Tuesday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 55. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Guanella Pass CO
 39.61°N 105.78°W (Elev. 13445 ft)
Last Update:
2:47 pm MDT Jul 15, 2025
Forecast Valid:
5pm MDT Jul 15, 2025-6pm MDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation