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.

Overcast

37°F

3°C

Humidity 51%
Wind Speed NNW 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 07 Dec 01:05 PM MST
Extended Forecast for

22 Miles SE Challis ID

  • This Afternoon

    This Afternoon: A 50 percent chance of snow showers. The snow could be heavy at times.  Cloudy, with a high near 21. West southwest wind around 11 mph.  Total daytime snow accumulation of 2 to 4 inches possible.

    High: 21 °F

    Heavy Snow

  • Tonight

    Tonight: Snow showers likely before midnight, then a slight chance of snow showers after 2am. The snow could be heavy at times.  Mostly cloudy, with a low around 18. West wind 13 to 18 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.

    Low: 18 °F

    Heavy Snow
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: A 20 percent chance of snow showers after 11am.  Mostly cloudy, with a high near 24. Southwest wind 13 to 17 mph, with gusts as high as 21 mph.

    High: 24 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly after 11pm.  Cloudy, with a low around 22. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 22 °F

    Snow Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Snow showers.  High near 26. Breezy, with a west wind 15 to 25 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 26 °F

    Snow Showers
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow showers.  Low around 23. Breezy.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 23 °F

    Snow Showers
    and Breezy

  • Wednesday

    Wednesday: Snow.  High near 29. Breezy.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 21. Breezy.  Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely
    and Breezy

  • Thursday

    Thursday: A 40 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 23. Breezy.

    High: 23 °F

    Chance Snow
    and Breezy

Detailed Forecast

This Afternoon
A 50 percent chance of snow showers. The snow could be heavy at times. Cloudy, with a high near 21. West southwest wind around 11 mph. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow showers likely before midnight, then a slight chance of snow showers after 2am. The snow could be heavy at times. Mostly cloudy, with a low around 18. West wind 13 to 18 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.
Monday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 24. Southwest wind 13 to 17 mph, with gusts as high as 21 mph.
Monday Night
Snow showers likely, mainly after 11pm. Cloudy, with a low around 22. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Snow showers. High near 26. Breezy, with a west wind 15 to 25 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow showers. Low around 23. Breezy. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow. High near 29. Breezy. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21. Breezy. Chance of precipitation is 60%.
Thursday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 23. Breezy.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 24.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles SE Challis ID
 44.28°N 113.9°W (Elev. 10587 ft)
10:31 am MST Dec 7, 2025
1pm MST Dec 7, 2025-6pm MST Dec 13, 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