
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
Grand Lake CO
Overnight

Low: -1 °F
Clear
Tuesday

High: 36 °F
Sunny
Tuesday Night

Low: 14 °F
Mostly Clear
Wednesday

High: 45 °F
Mostly Sunny
Wednesday Night

Low: 18 °F
Mostly Cloudy
New Year's Day

High: 43 °F
Chance Snow
Thursday Night

Low: 25 °F
Chance Snow
Friday

High: 41 °F
Snow Likely
Friday Night

Low: 21 °F
Mostly Cloudy
Detailed Forecast
Overnight
Clear, with a low around -1. Wind chill values as low as -10. West southwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 36. Wind chill values as low as -8. Light and variable wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 14. Light and variable wind.
Wednesday
Mostly sunny, with a high near 45. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 18. West wind 3 to 5 mph.
New Year's Day
A 40 percent chance of snow after 11am. Mostly cloudy, with a high near 43.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
Snow likely. Mostly cloudy, with a high near 41.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
A slight chance of snow after 11am. Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
A chance of snow. Partly sunny, with a high near 40.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Monday
A chance of snow. Partly sunny, with a high near 37.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grand Lake CO
40.25°N 105.85°W (Elev. 8599 ft)
40.25°N 105.85°W (Elev. 8599 ft)
2:01 pm MST Dec 29, 2025
2am MST Dec 30, 2025-6pm MST Jan 5, 2026



