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

34°F

1°C

Humidity 39%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 18 Jan 12:55 pm MST
Extended Forecast for

Arapahoe Peak CO

  • This Afternoon

    This Afternoon: A 10 percent chance of snow after 5pm. Mostly sunny, with a high near 16. Wind chill values as low as -6. Blustery, with a west northwest wind 20 to 24 mph, with gusts as high as 37 mph.

    High: 16 °F

    Slight Chance
    Snow and
    Blustery

  • Tonight

    Tonight: Snow likely, mainly between 10pm and 2am. Mostly cloudy, with a low around 2. Wind chill values as low as -12. Breezy, with a west wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 2 °F

    Snow Likely
    and Breezy

  • M.L.King Day

    M.L.King Day: A 50 percent chance of snow, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 12. Wind chill values as low as -18. Breezy, with a west wind 15 to 22 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.

    High: 12 °F

    Breezy.
    Chance Snow
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. Wind chill values as low as -26. Very windy, with a west wind 26 to 36 mph, with gusts as high as 45 mph.

    Low: 1 °F

    Mostly Clear
    and Very
    Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 12. Very windy, with a west wind 30 to 37 mph, with gusts as high as 47 mph.

    High: 12 °F

    Mostly Sunny
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4. Windy.

    Low: 4 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 13. Windy.

    High: 13 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. Windy.

    Low: 5 °F

    Partly Cloudy
    and Windy

  • Thursday

    Thursday: A slight chance of snow after 11am. Partly sunny, with a high near 17. Windy.

    High: 17 °F

    Slight Chance
    Snow and
    Windy

Detailed Forecast

This Afternoon
A 10 percent chance of snow after 5pm. Mostly sunny, with a high near 16. Wind chill values as low as -6. Blustery, with a west northwest wind 20 to 24 mph, with gusts as high as 37 mph.
Tonight
Snow likely, mainly between 10pm and 2am. Mostly cloudy, with a low around 2. Wind chill values as low as -12. Breezy, with a west wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
M.L.King Day
A 50 percent chance of snow, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 12. Wind chill values as low as -18. Breezy, with a west wind 15 to 22 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.
Monday Night
Mostly clear, with a low around 1. Wind chill values as low as -26. Very windy, with a west wind 26 to 36 mph, with gusts as high as 45 mph.
Tuesday
Mostly sunny, with a high near 12. Very windy, with a west wind 30 to 37 mph, with gusts as high as 47 mph.
Tuesday Night
Partly cloudy, with a low around 4. Windy.
Wednesday
Sunny, with a high near 13. Windy.
Wednesday Night
Partly cloudy, with a low around 5. Windy.
Thursday
A slight chance of snow after 11am. Partly sunny, with a high near 17. Windy.
Thursday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 9. Windy.
Friday
A chance of snow. Partly sunny, with a high near 14. Windy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 7. Breezy.
Saturday
Snow likely. Mostly cloudy, with a high near 12. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arapahoe Peak CO
 40.02°N 105.65°W (Elev. 12680 ft)
Last Update:
3:26 am MST Jan 18, 2026
Forecast Valid:
1pm MST Jan 18, 2026-6pm MST Jan 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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