Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

82°F

28°C

Humidity 17%
Wind Speed WNW 6 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 08:00 PM MDT
Extended Forecast for

24 Miles WNW Challis ID

  • Tonight

    Tonight: Mostly clear, with a low around 55. West northwest wind around 5 mph becoming light and variable.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. West wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 58. West northwest wind around 7 mph becoming south southeast after midnight.

    Low: 58 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. West northwest wind around 5 mph becoming light and variable.
Thursday
Sunny, with a high near 78. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 60. West wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 79. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Friday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 58. West northwest wind around 7 mph becoming south southeast after midnight.
Saturday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 50.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 53.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
24 Miles WNW Challis ID
 44.63°N 114.67°W (Elev. 7523 ft)
5:31 pm MDT Aug 19, 2026
8pm MDT Aug 19, 2026-6pm MDT Aug 26, 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