Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

16°F

-9°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 25 Jan 03:05 AM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 4. Wind chill values as low as -17. Northwest wind around 18 mph, with gusts as high as 24 mph.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 11. Wind chill values as low as -20. North northwest wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 11 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 5. Wind chill values as low as -12. Southwest wind 10 to 15 mph, with gusts as high as 18 mph.

    Low: 5 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 20. Wind chill values as low as -12. West southwest wind 10 to 15 mph, with gusts as high as 18 mph.

    High: 20 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 9. West wind 11 to 14 mph.

    Low: 9 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 4. Wind chill values as low as -17. Northwest wind around 18 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 11. Wind chill values as low as -20. North northwest wind 10 to 18 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 5. Wind chill values as low as -12. Southwest wind 10 to 15 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 20. Wind chill values as low as -12. West southwest wind 10 to 15 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 9. West wind 11 to 14 mph.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Partly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
2:42 am MST Jan 25, 2026
3am MST Jan 25, 2026-6pm MST Jan 31, 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