Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

59°F

15°C

Humidity 58%
Wind Speed SW 3 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 18 Aug 06:35 AM MDT
Extended Forecast for

23 Miles WNW Challis ID

  • Today

    Today: A slight chance of showers and thunderstorms between 3pm and 5pm.  Mostly sunny, with a high near 65. West wind 5 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of rain before 7pm.  Snow level 12800 feet lowering to 11900 feet after midnight . Mostly clear, with a low around 50. West northwest wind 6 to 13 mph becoming south southwest after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 53. West wind 6 to 9 mph becoming south southwest after midnight.

    Low: 53 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 71. South wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 3pm and 5pm. Mostly sunny, with a high near 65. West wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of rain before 7pm. Snow level 12800 feet lowering to 11900 feet after midnight . Mostly clear, with a low around 50. West northwest wind 6 to 13 mph becoming south southwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 67. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 53. West wind 6 to 9 mph becoming south southwest after midnight.
Thursday
Sunny, with a high near 71. South wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Friday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 57.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 50.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles WNW Challis ID
 44.61°N 114.67°W (Elev. 8999 ft)
5:31 am MDT Aug 18, 2026
6am MDT Aug 18, 2026-6pm MDT Aug 24, 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