National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

73°F

23°C

Humidity 12%
Wind Speed SSE 12 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 21 Apr 06:05 PM MDT
Extended Forecast for

12 Miles NNE Challis ID

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Partly cloudy, with a low around 38. South wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain and snow likely before 7am, then snow. High near 44. Breezy, with a south wind 10 to 15 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow. Low around 32. Breezy, with a west southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow likely, mainly after noon. Partly sunny, with a high near 42. West wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Chance Snow
    then Snow
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 26. Northwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Partly sunny, with a high near 37. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Saturday Night

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

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain after 4am. Partly cloudy, with a low around 38. South wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Rain and snow likely before 7am, then snow. High near 44. Breezy, with a south wind 10 to 15 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Snow. Low around 32. Breezy, with a west southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly after noon. Partly sunny, with a high near 42. West wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26. Northwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 37. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23.
Saturday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 47. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Challis ID
 44.67°N 114.13°W (Elev. 6804 ft)
Last Update:
5:31 pm MDT Apr 21, 2026
Forecast Valid:
6pm MDT Apr 21, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation