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

Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Partly Cloudy

37°F

3°C

Humidity 15%
Wind Speed NNW 12 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 10 Mar 02:20 PM MDT
Extended Forecast for

18 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly after 5pm. Mostly cloudy and cold, with a steady temperature around 5. Wind chill values as low as -22. Windy, with a west northwest wind 32 to 34 mph, with gusts as high as 48 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 5 °F

    Chance Snow
    and Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 0. Wind chill values as low as -23. Windy, with a west northwest wind 29 to 34 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 48 mph.

    Low: 0 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 18. Wind chill values as low as -21. Breezy, with a west southwest wind 21 to 28 mph, with gusts as high as 36 mph.

    High: 18 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17. Wind chill values as low as -3. Windy, with a southwest wind 28 to 33 mph, with gusts as high as 40 mph. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Chance Snow
    and Windy

  • Thursday

    Thursday: Snow likely, mainly before noon. Mostly cloudy, with a high near 24. Windy, with a west wind 37 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 24 °F

    Snow Likely
    and Windy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23. Windy. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow
    and Windy

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 28. Windy. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 24. Breezy. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Likely
    and Breezy

  • Saturday

    Saturday: Snow. High near 25. Windy. Chance of precipitation is 80%.

    High: 25 °F

    Snow and
    Windy

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly after 5pm. Mostly cloudy and cold, with a steady temperature around 5. Wind chill values as low as -22. Windy, with a west northwest wind 32 to 34 mph, with gusts as high as 48 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Partly cloudy, with a low around 0. Wind chill values as low as -23. Windy, with a west northwest wind 29 to 34 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 48 mph.
Wednesday
Partly sunny, with a high near 18. Wind chill values as low as -21. Breezy, with a west southwest wind 21 to 28 mph, with gusts as high as 36 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. Wind chill values as low as -3. Windy, with a southwest wind 28 to 33 mph, with gusts as high as 40 mph. New snow accumulation of less than one inch possible.
Thursday
Snow likely, mainly before noon. Mostly cloudy, with a high near 24. Windy, with a west wind 37 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. Windy. New snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 28. Windy. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 24. Breezy. Chance of precipitation is 60%.
Saturday
Snow. High near 25. Windy. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 11. Windy.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 22.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
Last Update:
12:31 pm MDT Mar 10, 2026
Forecast Valid:
2pm MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation