Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

39°F

4°C

Humidity 51%
Wind Speed S 12 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 06 Jan 09:20 PM MST
Extended Forecast for

23 Miles NW Mackay ID

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after midnight.  Mostly cloudy, with a low around 24. South wind around 8 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 9am, then a slight chance of snow after 2pm.  Partly sunny, with a high near 30. South southwest wind 7 to 10 mph becoming west in the morning.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 11. West wind 3 to 7 mph.

    Low: 11 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 19. Light west northwest wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8. West wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 24. South wind around 8 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 9am, then a slight chance of snow after 2pm. Partly sunny, with a high near 30. South southwest wind 7 to 10 mph becoming west in the morning. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 11. West wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 19. Light west northwest wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 8. West wind 6 to 11 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 22.
Friday Night
Mostly clear, with a low around 11.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.1°N 113.99°W (Elev. 6660 ft)
4:31 pm MST Jan 6, 2026
9pm MST Jan 6, 2026-6pm MST Jan 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database