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.

Overcast

32°F

0°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 10 Dec 07:30 AM MST
Extended Forecast for

13 Miles NNW Mackay ID

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 31 by 10am, then falling to around 27 during the remainder of the day. West northwest wind 16 to 20 mph, with gusts as high as 32 mph.

    High: 31 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 26. Breezy, with a west wind 17 to 22 mph, with gusts as high as 32 mph.

    Low: 26 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Breezy, with a west wind 16 to 22 mph, with gusts as high as 32 mph.

    High: 29 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. West wind around 16 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29. West wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

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

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 31 by 10am, then falling to around 27 during the remainder of the day. West northwest wind 16 to 20 mph, with gusts as high as 32 mph.
Tonight
Partly cloudy, with a steady temperature around 26. Breezy, with a west wind 17 to 22 mph, with gusts as high as 32 mph.
Thursday
Mostly sunny, with a high near 29. Breezy, with a west wind 16 to 22 mph, with gusts as high as 32 mph.
Thursday Night
Mostly cloudy, with a low around 24. West wind around 16 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 29. West wind 11 to 15 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 29.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24.
Tuesday
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.71°W (Elev. 10135 ft)
4:31 am MST Dec 10, 2025
7am 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