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

Arapahoe Peak CO

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 55. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 55 °F

    Breezy.
    Mostly 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 41. West southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after noon. High near 53. West wind around 14 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    High: 53 °F

    Mostly Sunny
    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 39. North wind 9 to 13 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 54. West southwest wind 9 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    High: 54 °F

    Mostly Sunny
    then T-storms
    Likely

  • 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 42. Breezy. Chance of precipitation is 20%.

    Low: 42 °F

    Breezy.
    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 60%.

    High: 54 °F

    Mostly Sunny
    and Breezy
    then Showers
    Likely

  • Friday Night

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

    Low: 40 °F

    Breezy.
    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 52. Breezy.

    High: 52 °F

    Mostly Sunny
    and Breezy
    then T-storms
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 55. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 31 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 41. West southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday
Showers and possibly a thunderstorm after noon. High near 53. West wind around 14 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 39. North wind 9 to 13 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 54. West southwest wind 9 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
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 42. Breezy. Chance of precipitation is 20%.
Friday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40. Breezy.
Saturday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 52. Breezy.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40. 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 41. Breezy.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 54. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 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

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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