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

12°F

-11°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 22 Jan 01:05 AM MST
Extended Forecast for

13 Miles NNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around 11. Wind chill values as low as -2. West northwest wind around 10 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21. Wind chill values as low as -3. West northwest wind 6 to 10 mph.

    High: 21 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -6. West wind 6 to 9 mph.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 12. Wind chill values as low as -10. West wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 12 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around -3. West northwest wind around 17 mph, with gusts as high as 26 mph.

    Low: -3 °F

    Mostly Clear

  • Saturday

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

    High: 8 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 15.

    High: 15 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 11. Wind chill values as low as -2. West northwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 21. Wind chill values as low as -3. West northwest wind 6 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -6. West wind 6 to 9 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 12. Wind chill values as low as -10. West wind 11 to 16 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around -3. West northwest wind around 17 mph, with gusts as high as 26 mph.
Saturday
Sunny and cold, with a high near 8.
Saturday Night
Mostly clear, with a low around 2.
Sunday
Sunny, with a high near 15.
Sunday Night
Mostly clear, with a low around 4.
Monday
Mostly sunny, with a high near 18.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
10:31 pm MST Jan 21, 2026
1am MST Jan 22, 2026-6pm MST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database