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

53°F

12°C

Humidity 79%
Wind Speed Calm
Barometer 30.46 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 14 Jul 4:15 am MDT
Extended Forecast for

Arapahoe Peak CO

  • Today

    Today: A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 56. West northwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.

    High: 56 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • 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. Breezy, with a west wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers then
    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 56 °F

    Breezy. Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: 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 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 55. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 55 °F

    Breezy.
    Slight Chance
    Showers then
    T-storms

  • 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 39. Breezy. Chance of precipitation is 50%.

    Low: 39 °F

    Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Breezy.
    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 54. Breezy.

    High: 54 °F

    Mostly Sunny
    and Breezy
    then Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 56. West northwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.
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. Breezy, with a west wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56. Breezy, with a west wind 14 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
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 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 55. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
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 39. Breezy. Chance of precipitation is 50%.
Thursday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 53. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. Breezy.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 54. Breezy.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. Breezy.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 53. Breezy.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Breezy.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 53. 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 14, 2025
Forecast Valid:
4am MDT Jul 14, 2025-6pm MDT Jul 20, 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