Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

20°F

-7°C

Humidity 77%
Wind Speed S 3 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 29 Jan 12:55 AM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • Overnight

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

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 19. Wind chill values as low as -6. West wind 9 to 11 mph.

    High: 19 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. West wind around 10 mph.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 26. West wind 8 to 10 mph.

    High: 26 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. Southwest wind 10 to 14 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 8. Wind chill values as low as -7. West wind around 13 mph.
Thursday
Mostly cloudy, with a high near 19. Wind chill values as low as -6. West wind 9 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 13. West wind around 10 mph.
Friday
Mostly cloudy, with a high near 26. West wind 8 to 10 mph.
Friday Night
Mostly cloudy, with a low around 18. Southwest wind 10 to 14 mph.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 25.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
10:31 pm MST Jan 28, 2026
1am MST Jan 29, 2026-6pm MST Feb 4, 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