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.

Overcast

27°F

-3°C

Humidity 86%
Wind Speed NNE 3 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 12 Feb 06:20 AM MST
Extended Forecast for

19 Miles NE Mackay ID

  • Today

    Today: Mostly sunny, with a high near 30. West northwest wind around 6 mph becoming light and variable.

    High: 30 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 22. South southwest wind around 5 mph becoming west northwest after midnight.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28. West northwest wind around 6 mph becoming south in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. South southwest wind 6 to 9 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 32. South wind 6 to 11 mph.

    High: 32 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly cloudy, with a high near 33.

    High: 33 °F

    Slight Chance
    Snow

  • Sunday Night

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

    Low: 24 °F

    Slight Chance
    Snow

  • Washington's Birthday

    Washington's Birthday: A 50 percent chance of snow. Partly sunny, with a high near 32.

    High: 32 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 30. West northwest wind around 6 mph becoming light and variable.
Tonight
Partly cloudy, with a low around 22. South southwest wind around 5 mph becoming west northwest after midnight.
Friday
Mostly sunny, with a high near 28. West northwest wind around 6 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 23. South southwest wind 6 to 9 mph.
Saturday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 32. South wind 6 to 11 mph.
Saturday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 25.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24.
Washington's Birthday
A 50 percent chance of snow. Partly sunny, with a high near 32.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.
Tuesday
Snow. High near 27. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NE Mackay ID
 44.1°N 113.32°W (Elev. 8199 ft)
Last Update:
4:31 am MST Feb 12, 2026
Forecast Valid:
6am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
Forecast Discussion
 
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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