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.

Partly Cloudy

33°F

1°C

Humidity 91%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 10 Dec 04:55 AM MST
Extended Forecast for

16 Miles W Challis ID

  • Overnight

    Overnight: Snow likely.  Cloudy, with a steady temperature around 34. West wind around 18 mph, with gusts as high as 34 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 34 °F

    Snow Likely

  • Wednesday

    Wednesday: A chance of rain and snow, mainly before 7am.  Cloudy through mid morning, then gradual clearing, with a high near 37. West wind 15 to 18 mph, with gusts as high as 36 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 37 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West wind 15 to 17 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 11am.  Increasing clouds, with a high near 36. West wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 36 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 30. West southwest wind around 14 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Saturday Night

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

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow likely. Cloudy, with a steady temperature around 34. West wind around 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A chance of rain and snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 37. West wind 15 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 29. West wind 15 to 17 mph, with gusts as high as 29 mph.
Thursday
A 20 percent chance of snow after 11am. Increasing clouds, with a high near 36. West wind 14 to 17 mph, with gusts as high as 29 mph.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 30. West southwest wind around 14 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 25.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 36.
Monday Night
Snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Tuesday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Challis ID
 44.54°N 114.56°W (Elev. 8999 ft)
4:31 am MST Dec 10, 2025
5am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database