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

39°F

4°C

Humidity 55%
Wind Speed SE 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 07 Dec 06:35 PM MST
Extended Forecast for

14 Miles WNW Challis ID

  • Tonight

    Tonight: Snow, mainly before 11pm. The snow could be heavy at times.  Low around 20. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Breezy. Heavy
    Snow then
    Slight Chance
    Snow

  • Monday

    Monday: A 40 percent chance of snow, mainly after 2pm.  Partly sunny, with a high near 28. West wind 16 to 21 mph, with gusts as high as 32 mph.  New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow.  Temperature rising to around 30 by 4am. Windy, with a west southwest wind 22 to 30 mph, with gusts as high as 44 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Snow and
    Windy

  • Tuesday

    Tuesday: Snow.  High near 30. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 30 °F

    Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Snow.  Low around 27. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Snow and
    Breezy

  • Wednesday

    Wednesday: Snow.  High near 33. Breezy.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 33 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow likely.  Mostly cloudy, with a low around 29. Breezy.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Snow Likely
    and Breezy

  • Thursday

    Thursday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 31. Breezy.  Chance of precipitation is 60%.

    High: 31 °F

    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

Detailed Forecast

Tonight
Snow, mainly before 11pm. The snow could be heavy at times. Low around 20. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Monday
A 40 percent chance of snow, mainly after 2pm. Partly sunny, with a high near 28. West wind 16 to 21 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Monday Night
Snow. Temperature rising to around 30 by 4am. Windy, with a west southwest wind 22 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday
Snow. High near 30. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Tuesday Night
Snow. Low around 27. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow. High near 33. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 29. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. Breezy. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Challis ID
 44.61°N 114.46°W (Elev. 9341 ft)
4:31 pm MST Dec 7, 2025
6pm 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