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.

Partly Cloudy

40°F

4°C

Humidity 78%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 4 Oct 7:35 am MDT
Extended Forecast for

Arapahoe Peak CO

  • Today

    Today: Snow showers likely, mainly after 2pm. Some thunder is also possible. Mostly cloudy, with a temperature rising to near 38 by 9am, then falling to around 31 during the remainder of the day. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F⇓

    Chance Snow
    Showers then
    Snow Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of snow showers before 9pm. Partly cloudy, with a steady temperature around 27. Windy, with a west wind 22 to 31 mph, with gusts as high as 47 mph.

    Low: 27 °F

    Windy. Slight
    Chance Snow
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow showers after noon. Partly sunny, with a high near 32. Breezy, with a west wind 11 to 20 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Mostly Sunny
    and Breezy
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 23. East southeast wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow Showers
    Likely

  • Monday

    Monday: A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 34. Southeast wind 9 to 13 mph becoming south southwest in the morning. Winds could gust as high as 22 mph.

    High: 34 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 35.

    High: 35 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers. Partly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: Sunny, with a high near 39. Breezy.

    High: 39 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Snow showers likely, mainly after 2pm. Some thunder is also possible. Mostly cloudy, with a temperature rising to near 38 by 9am, then falling to around 31 during the remainder of the day. Breezy, with a southwest wind 13 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow showers before 9pm. Partly cloudy, with a steady temperature around 27. Windy, with a west wind 22 to 31 mph, with gusts as high as 47 mph.
Sunday
A 30 percent chance of snow showers after noon. Partly sunny, with a high near 32. Breezy, with a west wind 11 to 20 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 23. East southeast wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Monday
A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 34. Southeast wind 9 to 13 mph becoming south southwest in the morning. Winds could gust as high as 22 mph.
Monday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 23.
Tuesday
A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 35.
Tuesday Night
A slight chance of snow showers. Partly cloudy, with a low around 26.
Wednesday
Sunny, with a high near 39. Breezy.
Wednesday Night
Mostly clear, with a low around 28. Breezy.
Thursday
Sunny, with a high near 39. Breezy.
Thursday Night
Partly cloudy, with a low around 28.
Friday
A slight chance of snow showers. Mostly sunny, with a high near 39. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
4:26 am MDT Oct 4, 2025
Forecast Valid:
7am MDT Oct 4, 2025-6pm MDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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