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.

Partly Cloudy

84°F

29°C

Humidity 17%
Wind Speed WNW 12 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 05:35 PM MDT
Extended Forecast for

25 Miles W Challis ID

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 68. West wind around 11 mph, with gusts as high as 20 mph.

    High: 68 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of rain before 7pm.  Mostly cloudy, with a low around 50. West wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 50 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. West wind 5 to 9 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

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

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. West wind around 11 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of rain before 7pm. Mostly cloudy, with a low around 50. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 68. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 49. West wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 70. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 56.
Saturday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles W Challis ID
 44.56°N 114.72°W (Elev. 8399 ft)
5:31 pm MDT Aug 17, 2026
5pm 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