Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

82°F

28°C

Humidity 21%
Wind Speed NE 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 Aug 04:15 PM MDT
Extended Forecast for

Challis ID

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Partly sunny, with a high near 85. North wind around 6 mph.  Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Partly cloudy, with a low around 56. South southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 56 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 4pm.  Partly sunny, with a high near 87. Light and variable wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 5am.  Mostly cloudy, with a low around 55. Southwest wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 23 mph.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers.  Mostly cloudy, with a high near 78. Light south southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 44. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of rain before noon.  Sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Rain then
    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 85. North wind around 6 mph. Chance of precipitation is 40%.
Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 87. Light and variable wind becoming south southwest 9 to 14 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 55. Southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 23 mph.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 78. Light south southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 77. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Sunday
A 20 percent chance of rain before noon. Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 80.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 47.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Challis ID
 44.51°N 114.22°W (Elev. 5151 ft)
12:31 pm MDT Aug 26, 2026
4pm MDT Aug 26, 2026-6pm MDT Sep 2, 2026
 
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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