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

18°F

-8°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 22 Jan 12:05 AM MST
Extended Forecast for

7 Miles NNE Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 12. Wind chill values as low as -3. West northwest wind around 15 mph.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23. Wind chill values as low as -1. West northwest wind 6 to 14 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10. Wind chill values as low as -5. West wind 7 to 13 mph.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 15. Wind chill values as low as -8. West northwest wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 15 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 0. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 26 mph.

    Low: 0 °F

    Mostly Clear
    and Blustery

  • Saturday

    Saturday: Sunny and cold, with a high near 10. Blustery.

    High: 10 °F

    Sunny and
    Blustery then
    Sunny

  • Saturday Night

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

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 16.

    High: 16 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 12. Wind chill values as low as -3. West northwest wind around 15 mph.
Thursday
Mostly sunny, with a high near 23. Wind chill values as low as -1. West northwest wind 6 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 10. Wind chill values as low as -5. West wind 7 to 13 mph.
Friday
Mostly sunny, with a high near 15. Wind chill values as low as -8. West northwest wind 14 to 16 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 0. Blustery, with a west northwest wind 18 to 23 mph, with gusts as high as 26 mph.
Saturday
Sunny and cold, with a high near 10. Blustery.
Saturday Night
Mostly clear, with a low around 5.
Sunday
Sunny, with a high near 16.
Sunday Night
Mostly clear, with a low around 6.
Monday
Mostly sunny, with a high near 19.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Mostly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Mackay ID
 43.99°N 113.55°W (Elev. 9961 ft)
Last Update:
10:31 pm MST Jan 21, 2026
Forecast Valid:
12am MST Jan 22, 2026-6pm MST Jan 28, 2026
 
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