Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523° N Lon: 114.21611° W Elev: 5026.0 ft.

Clear

55°F

13°C

Humidity 43%
Wind Speed WNW 8 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 08 Sep 11:35 PM MDT
Detailed forecast for

Challis/Pahsimeroi Valleys

Tonight
Mostly clear. Lows 38 to 47. Northwest winds around 10 mph in the evening...becoming light and variable.
Wednesday
Sunny, warmer. Highs 71 to 81. Light and variable winds...becoming west up to 10 mph in the afternoon.
Wednesday Night
Mostly clear. Lows 39 to 49. West winds up to 10 mph.
Thursday
Sunny. Highs 74 to 84. Southwest winds up to 10 mph.
Thursday Night
Partly cloudy. Lows 46 to 54. Southwest winds 10 to 15 mph.
Friday And Friday Night
Mostly clear. Highs 69 to 79. Lows 40 to 48.
Saturday
Mostly sunny. Highs 66 to 76.
Saturday Night
Mostly cloudy with a chance of rain. Lows 37 to 44.
Sunday
Mostly sunny with a slight chance of rain. Highs 53 to 63.
Sunday Night
Partly cloudy. Lows 33 to 40.
Monday And Monday Night
Mostly clear. Highs 59 to 69. Lows 36 to 44.
Tuesday
Sunny. Highs 65 to 75.



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1231 PM MDT Tue Sep 8 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database