Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

51°F

11°C

Humidity 45%
Wind Speed N 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 09 Dec 09:55 AM MST
Extended Forecast for

12 Miles NNW Mackay ID

  • Today

    Today: A 50 percent chance of snow.  Mostly cloudy, with a temperature rising to near 26 by noon, then falling to around 21 during the remainder of the day. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 32 mph.  Total daytime snow accumulation of 1 to 3 inches possible.

    High: 26 °F

    Chance Snow
    and Blustery

  • Tonight

    Tonight: A 50 percent chance of snow.  Mostly cloudy, with a temperature rising to around 28 by 5am. Breezy, with a west wind 15 to 25 mph, with gusts as high as 32 mph.  New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: A 30 percent chance of snow before 11am.  Mostly cloudy, with a temperature rising to near 30 by 9am, then falling to around 26 during the remainder of the day. Blustery, with a west wind 17 to 25 mph, with gusts as high as 32 mph.  New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow
    and Blustery
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Breezy, with a west wind 17 to 25 mph, with gusts as high as 29 mph.

    Low: 21 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. Breezy, with a west wind 20 to 25 mph decreasing to 14 to 19 mph in the morning. Winds could gust as high as 29 mph.

    High: 26 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26.

    High: 26 °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 27.

    High: 27 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of snow. Mostly cloudy, with a temperature rising to near 26 by noon, then falling to around 21 during the remainder of the day. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 32 mph. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 50 percent chance of snow. Mostly cloudy, with a temperature rising to around 28 by 5am. Breezy, with a west wind 15 to 25 mph, with gusts as high as 32 mph. New snow accumulation of less than one inch possible.
Wednesday
A 30 percent chance of snow before 11am. Mostly cloudy, with a temperature rising to near 30 by 9am, then falling to around 26 during the remainder of the day. Blustery, with a west wind 17 to 25 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 21. Breezy, with a west wind 17 to 25 mph, with gusts as high as 29 mph.
Thursday
Mostly sunny, with a high near 26. Breezy, with a west wind 20 to 25 mph decreasing to 14 to 19 mph in the morning. Winds could gust as high as 29 mph.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mackay ID
 44.06°N 113.71°W (Elev. 10755 ft)
4:31 am MST Dec 9, 2025
10am MST Dec 9, 2025-6pm MST Dec 15, 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