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

37°F

3°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 10 Dec 10:50 AM MST
Extended Forecast for

12 Miles NNW Mackay ID

  • Today

    Today: Mostly sunny, with a temperature falling to around 25 by 5pm. West northwest wind around 17 mph, with gusts as high as 24 mph.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Breezy, with a west wind 18 to 26 mph, with gusts as high as 29 mph.

    Low: 23 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. Breezy, with a west northwest wind 16 to 25 mph, with gusts as high as 29 mph.

    High: 26 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. West northwest wind 16 to 20 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26. West wind 11 to 20 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a temperature falling to around 25 by 5pm. West northwest wind around 17 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 23. Breezy, with a west wind 18 to 26 mph, with gusts as high as 29 mph.
Thursday
Mostly sunny, with a high near 26. Breezy, with a west northwest wind 16 to 25 mph, with gusts as high as 29 mph.
Thursday Night
Mostly cloudy, with a low around 23. West northwest wind 16 to 20 mph.
Friday
Partly sunny, with a high near 26. West wind 11 to 20 mph.
Friday Night
Partly cloudy, with a low around 21. Breezy.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 26.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mackay ID
 44.06°N 113.71°W (Elev. 10755 ft)
10:31 am MST Dec 10, 2025
11am MST Dec 10, 2025-6pm MST Dec 16, 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