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

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

34°F

1°C

Humidity 31%
Wind Speed NE 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 21 Feb 01:35 PM MST
Extended Forecast for

18 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 12. Wind chill values as low as -8. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 26 mph.

    High: 12 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 7. Wind chill values as low as -13. Breezy, with a south southwest wind 23 to 25 mph, with gusts as high as 28 mph.

    Low: 7 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 21. Wind chill values as low as -11. Breezy, with a south southwest wind 20 to 22 mph, with gusts as high as 25 mph.

    High: 21 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 10. Wind chill values as low as -8. Breezy, with a south southwest wind around 22 mph.

    Low: 10 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Partly sunny, with a high near 23. South southwest wind 17 to 20 mph, with gusts as high as 26 mph.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 18. Breezy. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Snow. High near 23. Breezy. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 23 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 15. Breezy. Chance of precipitation is 90%.

    Low: 15 °F

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: A 40 percent chance of snow. Partly sunny, with a high near 18. Windy.

    High: 18 °F

    Chance Snow
    and Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 12. Wind chill values as low as -8. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 7. Wind chill values as low as -13. Breezy, with a south southwest wind 23 to 25 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 21. Wind chill values as low as -11. Breezy, with a south southwest wind 20 to 22 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 10. Wind chill values as low as -8. Breezy, with a south southwest wind around 22 mph.
Monday
Partly sunny, with a high near 23. South southwest wind 17 to 20 mph, with gusts as high as 26 mph.
Monday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 18. Breezy. New snow accumulation of less than one inch possible.
Tuesday
Snow. High near 23. Breezy. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 15. Breezy. Chance of precipitation is 90%.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 18. Windy.
Wednesday Night
A 20 percent chance of snow before 11pm. Mostly clear, with a low around 6. Breezy.
Thursday
Sunny, with a high near 21. Breezy.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 11. Breezy.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 23. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.14°N 113.79°W (Elev. 11106 ft)
Last Update:
11:31 am MST Feb 21, 2026
Forecast Valid:
1pm MST Feb 21, 2026-6pm MST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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