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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Partly Cloudy

36°F

2°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 17 Mar 09:20 AM MDT
Extended Forecast for

Challis ID

  • Today

    Today: Mostly sunny, with a high near 65. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 36. West wind 6 to 9 mph becoming south in the evening. Winds could gust as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 71. South wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 65. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Tonight
Partly cloudy, with a low around 36. West wind 6 to 9 mph becoming south in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 71. South wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 37. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 72. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Challis ID
 44.53°N 114.23°W (Elev. 5184 ft)
Last Update:
5:31 am MDT Mar 17, 2026
Forecast Valid:
9am MDT Mar 17, 2026-6pm MDT Mar 23, 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