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.

Overcast

55°F

13°C

Humidity 41%
Wind Speed SSW 8 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 22 Apr 03:55 AM MDT
Extended Forecast for

Challis ID

  • Overnight

    Overnight: A 30 percent chance of showers. Mostly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 53. South southeast wind 6 to 11 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%.

    High: 53 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers, mainly before 3am. Low around 34. Southwest wind 13 to 18 mph decreasing to 6 to 11 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: 34 °F

    Rain/Snow

  • Thursday

    Thursday: Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 51. Southwest wind 6 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 51 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 28. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 28 mph. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 48. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Saturday

    Saturday: A slight chance of snow after noon, mixing with rain after 3pm. Partly sunny, with a high near 53. Chance of precipitation is 20%.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 41. South wind around 6 mph.
Wednesday
Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 53. South southeast wind 6 to 11 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%.
Wednesday Night
Rain and snow showers, mainly before 3am. Low around 34. Southwest wind 13 to 18 mph decreasing to 6 to 11 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 showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 51. Southwest wind 6 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 28. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 28 mph. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 48. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 26.
Saturday
A slight chance of snow after noon, mixing with rain after 3pm. Partly sunny, with a high near 53. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Partly sunny, with a high near 54. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Challis ID
 44.51°N 114.22°W (Elev. 5151 ft)
Last Update:
2:41 am MDT Apr 22, 2026
Forecast Valid:
4am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation