Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Partly Cloudy

63°F

17°C

Humidity 48%
Wind Speed NE 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 05 Sep 12:00 PM MDT
Extended Forecast for

22 Miles N Mackay ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. South wind 9 to 14 mph increasing to 15 to 20 mph. Winds could gust as high as 26 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. South wind 12 to 17 mph becoming east 5 to 10 mph after midnight. Winds could gust as high as 23 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. East southeast wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of rain before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then rain likely after 3am.  Mostly cloudy, with a low around 43. South wind 9 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    Low: 43 °F

    Chance Rain
    then Showers
    Likely

  • Labor Day

    Labor Day: Rain likely before 9am, then rain likely, possibly mixed with snow between 9am and noon, then a chance of rain showers after noon. Some thunder is also possible.  Snow level 10200 feet lowering to 8600 feet. Partly sunny, with a high near 55. Southwest wind 9 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 55 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. South wind 9 to 14 mph increasing to 15 to 20 mph. Winds could gust as high as 26 mph.
Tonight
Mostly clear, with a low around 44. South wind 12 to 17 mph becoming east 5 to 10 mph after midnight. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 67. East southeast wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
A chance of rain before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then rain likely after 3am. Mostly cloudy, with a low around 43. South wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Labor Day
Rain likely before 9am, then rain likely, possibly mixed with snow between 9am and noon, then a chance of rain showers after noon. Some thunder is also possible. Snow level 10200 feet lowering to 8600 feet. Partly sunny, with a high near 55. Southwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 45.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles N Mackay ID
 44.22°N 113.59°W (Elev. 7395 ft)
11:31 am MDT Sep 5, 2026
12pm MDT Sep 5, 2026-6pm MDT Sep 11, 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