Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. 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

82°F

28°C

Humidity 28%
Wind Speed NNE 4 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Aug 03:00 PM MDT
Extended Forecast for

21 Miles ESE Clayton ID

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 69. Southwest wind around 8 mph.

    High: 69 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of rain before 7pm.  Mostly cloudy, with a low around 53. West wind 5 to 9 mph becoming light west northwest  after midnight.

    Low: 53 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 69. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 69 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. West northwest wind 5 to 9 mph becoming light west southwest  after midnight. Winds could gust as high as 21 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72. West wind 5 to 9 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Southwest wind around 8 mph.
Tonight
A 20 percent chance of rain before 7pm. Mostly cloudy, with a low around 53. West wind 5 to 9 mph becoming light west northwest after midnight.
Tuesday
Partly sunny, with a high near 69. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 51. West northwest wind 5 to 9 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 72. West wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 59.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 51.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles ESE Clayton ID
 44.16°N 114°W (Elev. 8248 ft)
12:31 pm MDT Aug 17, 2026
3pm 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