
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 >
Current conditions at
Challis - Challis Airport (KLLJ)
Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.
Clear
21°F
-6°C
| Humidity | 67% |
| Wind Speed | SSE 3 MPH |
| Barometer | 30.54 in (1034.2 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Last update | 29 Dec 08:20 PM MST |
Extended Forecast for
13 Miles NNW Mackay ID
Tonight

Low: 14 °F
Partly Cloudy
Tuesday

High: 28 °F
Sunny
Tuesday Night

Low: 20 °F
Mostly Clear
Wednesday

High: 28 °F
Partly Sunny
Wednesday Night

Low: 22 °F
Mostly Cloudy
New Year's Day

High: 22 °F
Chance Snow
Thursday Night

Low: 20 °F
Chance Snow
Friday

High: 24 °F
Chance Snow
Friday Night

Low: 19 °F
Chance Snow
Detailed Forecast
Tonight
Partly cloudy, with a low around 14. West northwest wind around 8 mph.
Tuesday
Sunny, with a high near 28. West northwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 20. West wind 6 to 9 mph.
Wednesday
Partly sunny, with a high near 28. West wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 22. West wind 7 to 10 mph.
New Year's Day
A 40 percent chance of snow. Cloudy, with a high near 22. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow. Cloudy, with a low around 20. Little or no snow accumulation expected.
Friday
A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 24.
Friday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 19.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 22.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 19.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 19.
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ABOUT THIS FORECAST
Point Forecast:
13 Miles NNW Mackay ID
44.08°N 113.74°W (Elev. 10069 ft)
44.08°N 113.74°W (Elev. 10069 ft)
8:20 pm MST Dec 29, 2025
8pm MST Dec 29, 2025-6pm MST Jan 5, 2026


