Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

21°F

-6°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 31 Dec 10:35 PM MST
Extended Forecast for

13 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Southwest wind around 10 mph.

    Low: 20 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Snow likely, mainly after 11am.  Cloudy, with a high near 24. South wind 8 to 10 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 24 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm.  Cloudy, with a low around 21. West wind 7 to 9 mph.  Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: A 20 percent chance of snow before 11am.  Mostly cloudy, with a high near 25. West northwest wind around 10 mph.

    High: 25 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. South southwest wind 8 to 15 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after 11am.  Partly sunny, with a high near 23. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely.  Mostly cloudy, with a low around 19. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Snow Likely

  • Sunday

    Sunday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 22. Chance of precipitation is 60%.

    High: 22 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. Southwest wind around 10 mph.
New Year's Day
Snow likely, mainly after 11am. Cloudy, with a high near 24. South wind 8 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 21. West wind 7 to 9 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Friday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 25. West northwest wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 20. South southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Saturday
A 30 percent chance of snow after 11am. Partly sunny, with a high near 23. New snow accumulation of less than a half inch possible.
Saturday Night
Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 20.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 11.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 17.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
A 20 percent chance of snow. Mostly sunny, with a high near 18.
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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 Dec 31, 2025
10pm MST Dec 31, 2025-6pm MST Jan 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database