Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Partly Cloudy

30°F

-1°C

Humidity 80%
Wind Speed NE 5 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 07 Dec 10:30 PM MST
Extended Forecast for

19 Miles SE Challis ID

  • Tonight

    Tonight: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 17. West wind 14 to 16 mph, with gusts as high as 24 mph.  Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 25. West wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of snow.  Cloudy, with a temperature rising to around 28 by 4am. Southwest wind 15 to 21 mph, with gusts as high as 36 mph.  New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely.  Cloudy, with a high near 28. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Snow Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow.  Low around 25. West southwest wind 14 to 21 mph, with gusts as high as 37 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Snow

  • Wednesday

    Wednesday: Snow.  High near 30. Breezy.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 29. Breezy.  New snow accumulation of around an inch possible.

    Low: 29 °F

    Chance Snow
    and Breezy

  • Thursday

    Thursday: A 40 percent chance of snow.  Mostly cloudy, with a high near 29.

    High: 29 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 17. West wind 14 to 16 mph, with gusts as high as 24 mph. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
Partly sunny, with a high near 25. West wind 14 to 16 mph, with gusts as high as 24 mph.
Monday Night
A 50 percent chance of snow. Cloudy, with a temperature rising to around 28 by 4am. Southwest wind 15 to 21 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.
Tuesday
Snow likely. Cloudy, with a high near 28. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow. Low around 25. West southwest wind 14 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. High near 30. Breezy. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29. Breezy. New snow accumulation of around an inch possible.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 29.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SE Challis ID
 44.34°N 113.92°W (Elev. 9573 ft)
10:31 pm MST Dec 7, 2025
10pm MST Dec 7, 2025-6pm MST Dec 14, 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