
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
16°F
-9°C
| Humidity | 78% |
| Wind Speed | N 0 MPH |
| Barometer | 30.53 in (1033.86 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Last update | 30 Dec 02:20 AM MST |
Extended Forecast for
21 Miles NNW Mackay ID
Overnight

Low: 15 °F
Mostly Clear
Tuesday

High: 33 °F
Becoming
SunnyTuesday Night

Low: 20 °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: 21 °F
Chance Snow
Friday

High: 25 °F
Chance Snow
Friday Night

Low: 22 °F
Chance Snow
Detailed Forecast
Overnight
Mostly clear, with a low around 15. West southwest wind around 9 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 33. West wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 20. Southwest wind 7 to 10 mph.
Wednesday
Partly sunny, with a high near 27. West southwest wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 22. West southwest wind 9 to 13 mph.
New Year's Day
A 50 percent chance of snow. Cloudy, with a high near 23. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow. Cloudy, with a low around 21. 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 25.
Friday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 22.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 17.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 11.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 17.
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ABOUT THIS FORECAST
Point Forecast:
21 Miles NNW Mackay ID
44.18°N 113.79°W (Elev. 10712 ft)
44.18°N 113.79°W (Elev. 10712 ft)
1:36 am MST Dec 30, 2025
2am MST Dec 30, 2025-6pm MST Jan 5, 2026


