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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

50°F

10°C

Humidity 29%
Wind Speed W 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 18 Apr 08:20 PM MDT
Extended Forecast for

19 Miles SE Challis ID

  • Tonight

    Tonight: Mostly clear, with a low around 20. South wind 10 to 16 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 41. South southwest wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. South wind 14 to 17 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. South wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southeast wind 14 to 21 mph, with gusts as high as 29 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Breezy.

    High: 49 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain after midnight, mixing with snow after 3am. Partly cloudy, with a low around 30. Breezy. Chance of precipitation is 20%.

    Low: 30 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 33. Breezy. Chance of precipitation is 80%.

    High: 33 °F

    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.

    Low: 23 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 20. South wind 10 to 16 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 41. South southwest wind 9 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 28. South wind 14 to 17 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 48. South wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Partly cloudy, with a low around 32. South southeast wind 14 to 21 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 49. Breezy.
Tuesday Night
A slight chance of rain after midnight, mixing with snow after 3am. Partly cloudy, with a low around 30. Breezy. Chance of precipitation is 20%.
Wednesday
Snow likely before noon, then snow showers after noon. Some thunder is also possible. High near 33. Breezy. Chance of precipitation is 80%.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.
Thursday
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 20.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SE Challis ID
 44.32°N 113.94°W (Elev. 9528 ft)
Last Update:
5:31 pm MDT Apr 18, 2026
Forecast Valid:
8pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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