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.

Mostly Cloudy

29°F

-2°C

Humidity 68%
Wind Speed N 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 12 Feb 08:55 AM MST
Extended Forecast for

22 Miles NNW Mackay ID

  • Today

    Today: Mostly sunny, with a high near 23. West northwest wind around 10 mph.

    High: 23 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Wind chill values as low as -1. Southwest wind around 10 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 21. Wind chill values as low as -1. West wind around 11 mph.

    High: 21 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. Southwest wind 14 to 16 mph.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 24. Southwest wind 16 to 20 mph, with gusts as high as 29 mph.

    High: 24 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 15. Breezy.

    Low: 15 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly cloudy, with a high near 26. Breezy.

    High: 26 °F

    Slight Chance
    Snow and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow

  • Washington's Birthday

    Washington's Birthday: A 50 percent chance of snow. Partly sunny, with a high near 23.

    High: 23 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 23. West northwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 12. Wind chill values as low as -1. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 21. Wind chill values as low as -1. West wind around 11 mph.
Friday Night
Mostly cloudy, with a low around 14. Southwest wind 14 to 16 mph.
Saturday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 24. Southwest wind 16 to 20 mph, with gusts as high as 29 mph.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 15. Breezy.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 26. Breezy.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17.
Washington's Birthday
A 50 percent chance of snow. Partly sunny, with a high near 23.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.
Tuesday
Snow. High near 18. Chance of precipitation is 80%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 8. Chance of precipitation is 60%.
Wednesday
Snow likely. Mostly cloudy, with a high near 15. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.2°N 113.8°W (Elev. 11401 ft)
Last Update:
4:31 am MST Feb 12, 2026
Forecast Valid:
9am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation