Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

46°F

8°C

Humidity 33%
Wind Speed S 5 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Dec 08:05 AM MST
Extended Forecast for

12 Miles NNW Mackay ID

  • Today

    Today: Mostly sunny, with a high near 27. Blustery, with a west northwest wind 18 to 26 mph, with gusts as high as 30 mph.

    High: 27 °F

    Sunny and
    Blustery then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy
    and Blustery

  • Friday

    Friday: Partly sunny, with a high near 27. West wind 13 to 21 mph, with gusts as high as 24 mph.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21. Breezy, with a west wind 13 to 22 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 29. Breezy, with a west wind 17 to 22 mph decreasing to 7 to 12 mph in the afternoon.

    High: 29 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 29.

    High: 29 °F

    Sunny

  • Sunday Night

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

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 27. Blustery, with a west northwest wind 18 to 26 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 24. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 27. West wind 13 to 21 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 21. Breezy, with a west wind 13 to 22 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 29. Breezy, with a west wind 17 to 22 mph decreasing to 7 to 12 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 29.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 25. Breezy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 18. Windy. Chance of precipitation is 60%.
Wednesday
Snow likely. Partly sunny, with a high near 21. Windy. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mackay ID
 44.06°N 113.68°W (Elev. 11001 ft)
4:31 am MST Dec 11, 2025
8am 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