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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. 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 Thursday 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.

Overcast

27°F

-3°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 12 Feb 04:35 AM MST
Extended Forecast for

25 Miles N Mackay ID

  • Today

    Today: Mostly sunny, with a high near 28. West wind around 6 mph becoming north in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. South southeast wind around 6 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27. South wind around 7 mph becoming west in the morning.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. South southwest wind 8 to 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 31. South wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly cloudy, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow

  • Washington's Birthday

    Washington's Birthday: A 50 percent chance of snow. Partly sunny, with a high near 30.

    High: 30 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 28. West wind around 6 mph becoming north in the afternoon.
Tonight
Partly cloudy, with a low around 18. South southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 27. South wind around 7 mph becoming west in the morning.
Friday Night
Mostly cloudy, with a low around 21. South southwest wind 8 to 10 mph.
Saturday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 31. South wind 10 to 14 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 24.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 31.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22.
Washington's Birthday
A 50 percent chance of snow. Partly sunny, with a high near 30.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 22. Chance of precipitation is 70%.
Tuesday
Snow. High near 25. Chance of precipitation is 80%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.
Wednesday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
25 Miles N Mackay ID
 44.27°N 113.57°W (Elev. 8852 ft)
Last Update:
4:31 am MST Feb 12, 2026
Forecast Valid:
4am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation