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 >

Hazardous Weather Conditions

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

57°F

14°C

Humidity 35%
Wind Speed SW 6 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 22 Apr 02:20 AM MDT
Extended Forecast for

15 Miles ESE Challis ID

Winter Weather Advisory until April 23, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 23, 06:00am

    NOW until 6:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 30 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Wednesday

    Wednesday: Snow showers, mainly before 4pm. Some thunder is also possible. Temperature falling to around 29 by 10am. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F⇓

    Snow Showers
    and Windy

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 1am. The snow could be heavy at times. Low around 23. Breezy, with a west southwest wind 21 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 29. Blustery, with a west wind 22 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 29 °F

    Snow Showers
    Likely and
    Blustery

  • Thursday Night

    Thursday Night: A 50 percent chance of snow showers. Mostly cloudy, with a low around 18. Blustery, with a west wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 38 mph. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Chance Snow
    Showers and
    Blustery

  • Friday

    Friday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 27. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 27 °F

    Snow Showers
    Likely

  • Friday Night

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

    Low: 20 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 32.

    High: 32 °F

    Chance Snow

Detailed Forecast

Overnight
A slight chance of snow showers between 4am and 5am. Partly cloudy, with a low around 30. Breezy, with a south wind 22 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Wednesday
Snow showers, mainly before 4pm. Some thunder is also possible. Temperature falling to around 29 by 10am. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow showers, mainly before 1am. The snow could be heavy at times. Low around 23. Breezy, with a west southwest wind 21 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers likely, mainly after noon. Some thunder is also possible. Mostly cloudy, with a high near 29. Blustery, with a west wind 22 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 18. Blustery, with a west wind 21 to 26 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 38 mph. New snow accumulation of 1 to 3 inches possible.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 27. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 20.
Saturday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 32.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 34.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Challis ID
 44.43°N 113.96°W (Elev. 8980 ft)
Last Update:
1:56 am MDT Apr 22, 2026
Forecast Valid:
2am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

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Chance of Precipitation