
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
18°F
-8°C
| Humidity | 77% |
| Wind Speed | N 0 MPH |
| Barometer | 30.54 in (1034.2 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Last update | 29 Dec 08:55 PM MST |
Extended Forecast for
7 Miles NNE Mackay ID
Tonight

Low: 16 °F
Partly Cloudy
Tuesday

High: 29 °F
Becoming
SunnyTuesday Night

Low: 21 °F
Mostly Clear
Wednesday

High: 27 °F
Partly Sunny
Wednesday Night

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

High: 23 °F
Chance Snow
Thursday Night

Low: 19 °F
Chance Snow
Friday

High: 24 °F
Chance Snow
Friday Night

Low: 21 °F
Chance Snow
Detailed Forecast
Tonight
Partly cloudy, with a low around 16. West northwest wind around 9 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 29. West northwest wind 5 to 8 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 21. West northwest wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 27. West northwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 22. West wind 6 to 9 mph.
New Year's Day
A 40 percent chance of snow. Cloudy, with a high near 23. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19. New snow accumulation of less than a half inch possible.
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 21.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 22.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
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 13.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 20.
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ABOUT THIS FORECAST
Point Forecast:
7 Miles NNE Mackay ID
43.99°N 113.55°W (Elev. 9961 ft)
43.99°N 113.55°W (Elev. 9961 ft)
8:20 pm MST Dec 29, 2025
9pm MST Dec 29, 2025-6pm MST Jan 5, 2026


