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

39°F

4°C

Humidity 64%
Wind Speed NW 6 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 09 Dec 07:05 PM MST
Extended Forecast for

23 Miles SSW Leadore ID

  • Tonight

    Tonight: Snow likely before 5am, then a chance of rain and snow.  Mostly cloudy, with a temperature rising to around 33 by 3am. West northwest wind 13 to 20 mph becoming south in the evening. Winds could gust as high as 28 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A slight chance of rain and snow before 8am.  Snow level 9000 feet lowering to 8600 feet in the afternoon . Mostly cloudy, then gradually becoming sunny, with a high near 37. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow and
    Breezy then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West wind around 18 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 35. West wind 13 to 15 mph, with gusts as high as 21 mph.

    High: 35 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. West wind around 14 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely before 5am, then a chance of rain and snow. Mostly cloudy, with a temperature rising to around 33 by 3am. West northwest wind 13 to 20 mph becoming south in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A slight chance of rain and snow before 8am. Snow level 9000 feet lowering to 8600 feet in the afternoon . Mostly cloudy, then gradually becoming sunny, with a high near 37. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 29. West wind around 18 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 35. West wind 13 to 15 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 32. West wind around 14 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 34.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 28.
Tuesday
A 40 percent chance of snow. Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles SSW Leadore ID
 44.38°N 113.56°W (Elev. 8599 ft)
4:31 pm MST Dec 9, 2025
7pm MST Dec 9, 2025-6pm MST Dec 16, 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