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

36°F

2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Dec 01:35 AM MST
Extended Forecast for

15 Miles ESE Challis ID

  • Overnight

    Overnight: Snow likely, mainly between 2am and 5am.  Mostly cloudy, with a low around 28. West southwest wind 14 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow Likely

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 35. West southwest wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 35 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind 14 to 20 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33. West southwest wind 13 to 18 mph, with gusts as high as 24 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. West southwest wind around 14 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow likely, mainly between 2am and 5am. Mostly cloudy, with a low around 28. West southwest wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 35. West southwest wind 14 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind 14 to 20 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 33. West southwest wind 13 to 18 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 30. West southwest wind around 14 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 34.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 29.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Challis ID
 44.43°N 113.96°W (Elev. 8980 ft)
1:02 am MST Dec 10, 2025
1am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database