National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair

6°F

-14°C

Humidity 82%
Wind Speed Calm
Barometer 30.57 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 30 Dec 1:35 am MST
Extended Forecast for

2 Miles N Arapahoe Peak CO

  • Overnight

    Overnight: Mostly clear, with a low around 6. Wind chill values as low as -12. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph.

    Low: 6 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 24. Wind chill values as low as -10. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph.

    High: 24 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. Wind chill values as low as -3. Breezy, with a west wind 15 to 18 mph, with gusts as high as 31 mph.

    Low: 14 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Wind chill values as low as -3. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph.

    High: 30 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Mostly Cloudy
    and Breezy

  • New Year's Day

    New Year's Day: Snow likely, mainly after 11am. Cloudy, with a high near 27. Breezy. Chance of precipitation is 60%.

    High: 27 °F

    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 21. Breezy. Chance of precipitation is 70%.

    Low: 21 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 25. Breezy.

    High: 25 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: A chance of snow before 11pm. Mostly cloudy, with a low around 18. Breezy.

    Low: 18 °F

    Breezy.
    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 6. Wind chill values as low as -12. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 24. Wind chill values as low as -10. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly clear, with a low around 14. Wind chill values as low as -3. Breezy, with a west wind 15 to 18 mph, with gusts as high as 31 mph.
Wednesday
Mostly sunny, with a high near 30. Wind chill values as low as -3. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph.
New Year's Day
Snow likely, mainly after 11am. Cloudy, with a high near 27. Breezy. Chance of precipitation is 60%.
Thursday Night
Snow likely. Cloudy, with a low around 21. Breezy. Chance of precipitation is 70%.
Friday
Snow likely. Mostly cloudy, with a high near 25. Breezy.
Friday Night
A chance of snow before 11pm. Mostly cloudy, with a low around 18. Breezy.
Saturday
A slight chance of snow. Mostly sunny, with a high near 28. Breezy.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 16. Breezy.
Sunday
A chance of snow. Partly sunny, with a high near 26. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 13. Breezy.
Monday
A chance of snow. Partly sunny, with a high near 22. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Arapahoe Peak CO
 40.04°N 105.65°W (Elev. 11270 ft)
Last Update:
2:01 pm MST Dec 29, 2025
Forecast Valid:
2am MST Dec 30, 2025-6pm MST Jan 5, 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