Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

30°F

-1°C

Humidity 58%
Wind Speed N 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 03 Dec 02:35 AM MST
Extended Forecast for

21 Miles WNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 21. West northwest wind around 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 30. Calm wind becoming north northwest around 5 mph.

    High: 30 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. Light west wind.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 11am.  Mostly cloudy, with a high near 32. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 32 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 24. West northwest wind around 7 mph.  New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 36. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    and Patchy
    Fog

  • Friday Night

    Friday Night: Snow.  Low around 27. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 27 °F

    Snow

  • Saturday

    Saturday: A 50 percent chance of snow.  Partly sunny, with a high near 34.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 21. West northwest wind around 6 mph.
Wednesday
Sunny, with a high near 30. Calm wind becoming north northwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 21. Light west wind.
Thursday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 32. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 24. West northwest wind around 7 mph. New snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 36. New snow accumulation of less than a half inch possible.
Friday Night
Snow. Low around 27. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 34.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 35.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 37.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 26.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles WNW Mackay ID
 44.05°N 113.98°W (Elev. 6788 ft)
2:40 am MST Dec 3, 2025
2am MST Dec 3, 2025-6pm MST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database