Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

72°F

22°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 17 Aug 09:55 PM MDT
Extended Forecast for

26 Miles WNW Challis ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Light south wind.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. West wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. Light south wind.
Tuesday
Mostly sunny, with a high near 73. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 52. West northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 76. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. West wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 59.
Saturday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
26 Miles WNW Challis ID
 44.63°N 114.73°W (Elev. 7060 ft)
5:31 pm MDT Aug 17, 2026
10pm MDT Aug 17, 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