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

30°F

-1°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 12 Feb 01:55 AM MST
Extended Forecast for

13 Miles NNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 14. Northwest wind around 8 mph.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 24. West wind 7 to 9 mph.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a steady temperature around 16. North northwest wind 6 to 9 mph becoming south southwest in the evening.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 23. West wind 8 to 10 mph.

    High: 23 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. West southwest wind around 11 mph.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 25.

    High: 25 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Slight Chance
    Snow Showers

  • Sunday

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

    High: 26 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 14. Northwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 24. West wind 7 to 9 mph.
Thursday Night
Mostly clear, with a steady temperature around 16. North northwest wind 6 to 9 mph becoming south southwest in the evening.
Friday
Mostly sunny, with a high near 23. West wind 8 to 10 mph.
Friday Night
Mostly cloudy, with a low around 14. West southwest wind around 11 mph.
Saturday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 25.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 16.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 26.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 16.
Washington's Birthday
A 50 percent chance of snow. Partly sunny, with a high near 24.
Monday Night
Snow. The snow could be heavy at times. Low around 15. Chance of precipitation is 80%.
Tuesday
Snow. High near 19. Chance of precipitation is 80%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 7. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
Last Update:
1:25 am MST Feb 12, 2026
Forecast Valid:
2am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation