Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

37°F

3°C

Humidity 81%
Wind Speed N 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 09 Dec 11:55 PM MST
Extended Forecast for

14 Miles WNW Challis ID

  • Overnight

    Overnight: Snow, mainly before 5am.  Steady temperature around 30. Windy, with a west wind 28 to 31 mph, with gusts as high as 45 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 30 °F

    Snow and
    Windy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 10am.  Partly sunny, with a high near 34. Windy, with a west wind 25 to 32 mph, with gusts as high as 46 mph.  New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    and Windy
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Windy, with a west wind around 30 mph, with gusts as high as 40 mph.

    Low: 27 °F

    Partly Cloudy
    and Windy

  • Thursday

    Thursday: A 20 percent chance of snow after 11am.  Mostly sunny, with a high near 32. Breezy, with a west wind 18 to 25 mph, with gusts as high as 32 mph.

    High: 32 °F

    Slight Chance
    Snow and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 29. Breezy, with a west wind 20 to 22 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Slight Chance
    Snow and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Breezy.

    Low: 24 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow, mainly before 5am. Steady temperature around 30. Windy, with a west wind 28 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
A 30 percent chance of snow, mainly before 10am. Partly sunny, with a high near 34. Windy, with a west wind 25 to 32 mph, with gusts as high as 46 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 27. Windy, with a west wind around 30 mph, with gusts as high as 40 mph.
Thursday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 32. Breezy, with a west wind 18 to 25 mph, with gusts as high as 32 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29. Breezy, with a west wind 20 to 22 mph, with gusts as high as 29 mph.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 24. Breezy.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 31.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26.
Tuesday
Snow likely. Partly sunny, with a high near 28. Breezy. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Challis ID
 44.61°N 114.46°W (Elev. 9341 ft)
10:31 pm MST Dec 9, 2025
12am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database