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

86°F

30°C

Humidity 15%
Wind Speed WNW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Aug 07:35 PM MDT
Extended Forecast for

19 Miles ESE Challis ID

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. West wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and midnight.  Mostly cloudy, with a low around 60. West northwest wind 6 to 10 mph becoming south southeast after midnight.  Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers 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 70%.

    High: 70 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

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

    Low: 56 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. West wind 5 to 8 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and midnight. Mostly cloudy, with a low around 60. West northwest wind 6 to 10 mph becoming south southeast after midnight. Chance of precipitation is 50%.
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 70%.
Saturday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 56.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 52.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 53.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 69.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 53.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ESE Challis ID
 44.41°N 113.87°W (Elev. 7680 ft)
5:31 pm MDT Aug 19, 2026
7pm 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