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

37°F

3°C

Humidity 60%
Wind Speed S 8 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 07 Jan 12:00 AM MST
Extended Forecast for

6 Miles N Mackay ID

  • Overnight

    Overnight: A 30 percent chance of snow, mainly before 2am.  Mostly cloudy, with a low around 18. West southwest wind around 11 mph, with gusts as high as 20 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before 9am.  Partly sunny, with a high near 20. West wind around 11 mph, with gusts as high as 20 mph.  New snow accumulation of less than one inch possible.

    High: 20 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 5. Wind chill values as low as -11. West northwest wind around 9 mph.  New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow.  Mostly sunny, with a high near 11. Wind chill values as low as -11. West northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 11 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 3. West wind around 14 mph, with gusts as high as 25 mph.

    Low: 3 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Saturday Night

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

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly before 2am. Mostly cloudy, with a low around 18. West southwest wind around 11 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of less than one inch possible.
Wednesday
A 50 percent chance of snow, mainly before 9am. Partly sunny, with a high near 20. West wind around 11 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.
Wednesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 5. Wind chill values as low as -11. West northwest wind around 9 mph. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 11. Wind chill values as low as -11. West northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 3. West wind around 14 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 15.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Partly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Mackay ID
 44.01°N 113.61°W (Elev. 9623 ft)
10:31 pm MST Jan 6, 2026
12am MST Jan 7, 2026-6pm MST Jan 13, 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