Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

50°F

10°C

Humidity 43%
Wind Speed SSE 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 10 Dec 06:20 PM MST
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: Mostly clear, with a low around 25. Breezy, with a west southwest wind 17 to 22 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 36 mph.

    Low: 25 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Increasing clouds, with a high near 28. Breezy, with a west wind 23 to 28 mph decreasing to 17 to 22 mph in the morning. Winds could gust as high as 32 mph.

    High: 28 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 27. West wind 17 to 21 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Mostly sunny, with a high near 28. West wind 13 to 21 mph.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Breezy, with a west wind 14 to 22 mph.

    Low: 23 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Breezy, with a west southwest wind 17 to 22 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 36 mph.
Thursday
Increasing clouds, with a high near 28. Breezy, with a west wind 23 to 28 mph decreasing to 17 to 22 mph in the morning. Winds could gust as high as 32 mph.
Thursday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 27. West wind 17 to 21 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 28. West wind 13 to 21 mph.
Friday Night
Mostly clear, with a low around 23. Breezy, with a west wind 14 to 22 mph.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 30.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26. Breezy.
Tuesday
A 50 percent chance of snow. Partly sunny, with a high near 27. Breezy.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20. Windy.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 22. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.16°N 113.76°W (Elev. 10427 ft)
4:31 pm MST Dec 10, 2025
6pm MST Dec 10, 2025-6pm MST Dec 17, 2025
 
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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