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

69°F

21°C

Humidity 37%
Wind Speed Calm
Barometer 30.35 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 14 Jul 8:15 pm MDT
Extended Forecast for

Arapahoe Peak CO

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 41. Breezy, with a west wind 11 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, mainly after 1pm. Mostly sunny, with a high near 56. Breezy, with a west northwest 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 21 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 55. Breezy, with a west wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 55 °F

    Breezy.
    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 39. West northwest wind 11 to 14 mph becoming southeast in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    Low: 39 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 53.

    High: 53 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly 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

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Breezy.
    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 41. Breezy, with a west wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 56. Breezy, with a west northwest 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 21 mph. Chance of precipitation is 30%.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 55. Breezy, with a west wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
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. West northwest wind 11 to 14 mph becoming southeast in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 53.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly 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 after noon. Partly sunny, with a high near 53. Breezy.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Breezy.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 52. Breezy.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 42. Breezy.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 52. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
3:23 pm MDT Jul 14, 2025
Forecast Valid:
8pm MDT Jul 14, 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