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

Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

36°F

2°C

Humidity 59%
Wind Speed WSW 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Feb 06:00 PM MST
Extended Forecast for

17 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 32. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. South southwest wind around 6 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 35. South wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 35 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. South wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 35.

    High: 35 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow. The snow could be heavy at times. Low around 23. Chance of precipitation is 80%.

    Low: 23 °F

    Heavy Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 18. Calm wind.
Friday
Sunny, with a high near 32. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 21. South southwest wind around 6 mph.
Saturday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 35. South wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 25. South wind 10 to 14 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 22.
Washington's Birthday
A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 35.
Monday Night
Snow. The snow could be heavy at times. Low around 23. Chance of precipitation is 80%.
Tuesday
Snow. High near 28. Chance of precipitation is 90%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Wednesday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.
Thursday
Snow likely. Mostly cloudy, with a high near 23. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNW Mackay ID
 44.15°N 113.7°W (Elev. 7877 ft)
Last Update:
4:31 pm MST Feb 12, 2026
Forecast Valid:
6pm MST Feb 12, 2026-6pm MST Feb 19, 2026
 
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Additional Resources

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Chance of Precipitation