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

48°F

9°C

Humidity 40%
Wind Speed S 12 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 11 Dec 03:55 AM MST
Extended Forecast for

18 Miles NNW Mackay ID

  • Today

    Today: Increasing clouds, with a high near 29. Windy, with a west wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 29 °F

    Sunny and
    Windy then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Breezy, with a west wind 18 to 22 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a temperature falling to around 26 by 5pm. Breezy, with a west wind 13 to 22 mph.

    High: 29 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Breezy, with a west wind 13 to 23 mph.

    Low: 23 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 31. Breezy, with a west wind 17 to 22 mph decreasing to 6 to 11 mph in the afternoon.

    High: 31 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 29. Windy, with a west wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Mostly cloudy, with a low around 27. Breezy, with a west wind 18 to 22 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a temperature falling to around 26 by 5pm. Breezy, with a west wind 13 to 22 mph.
Friday Night
Mostly clear, with a low around 23. Breezy, with a west wind 13 to 23 mph.
Saturday
Mostly sunny, with a high near 31. Breezy, with a west wind 17 to 22 mph decreasing to 6 to 11 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 31.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25. Breezy.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 27. Breezy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 20. Windy. Chance of precipitation is 60%.
Wednesday
Snow likely. Partly sunny, with a high near 24. Windy. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.16°N 113.76°W (Elev. 10427 ft)
1:03 am MST Dec 11, 2025
4am MST Dec 11, 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