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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

16°F

-9°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 21 Jan 11:20 PM MST
Extended Forecast for

9 Miles N Mackay ID

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Wind chill values as low as -4. West northwest wind around 15 mph.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21. Wind chill values as low as -2. West northwest wind 6 to 14 mph.

    High: 21 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 8. Wind chill values as low as -7. West wind 8 to 13 mph.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 12. Wind chill values as low as -10. West wind 15 to 17 mph, with gusts as high as 25 mph.

    High: 12 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -2. Blustery, with a west northwest wind 20 to 23 mph, with gusts as high as 28 mph.

    Low: -2 °F

    Mostly Clear
    and Blustery

  • Saturday

    Saturday: Sunny and cold, with a high near 8. Blustery.

    High: 8 °F

    Sunny and
    Blustery then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3. Breezy.

    Low: 3 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 15. Breezy.

    High: 15 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 12. Wind chill values as low as -4. West northwest wind around 15 mph.
Thursday
Mostly sunny, with a high near 21. Wind chill values as low as -2. West northwest wind 6 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 8. Wind chill values as low as -7. West wind 8 to 13 mph.
Friday
Mostly sunny, with a high near 12. Wind chill values as low as -10. West wind 15 to 17 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around -2. Blustery, with a west northwest wind 20 to 23 mph, with gusts as high as 28 mph.
Saturday
Sunny and cold, with a high near 8. Blustery.
Saturday Night
Mostly clear, with a low around 3. Breezy.
Sunday
Sunny, with a high near 15. Breezy.
Sunday Night
Mostly clear, with a low around 5.
Monday
Mostly sunny, with a high near 18.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Mackay ID
 44.05°N 113.62°W (Elev. 11401 ft)
Last Update:
10:31 pm MST Jan 21, 2026
Forecast Valid:
11pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
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