Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Partly Cloudy

67°F

19°C

Humidity 31%
Wind Speed S 9 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 03 Sep 06:55 PM MDT
Extended Forecast for

9 Miles ENE Mackay ID

  • Tonight

    Tonight: Partly cloudy, with a low around 44. South wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. South wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 44. South wind 9 to 14 mph becoming light and variable. Winds could gust as high as 22 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 71. North wind 8 to 13 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. South wind 11 to 16 mph becoming light and variable  in the evening. Winds could gust as high as 24 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain likely.  Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Rain Likely

  • Labor Day

    Labor Day: A chance of rain before noon, then a chance of showers and thunderstorms after noon.  Snow level 10200 feet lowering to 9500 feet in the afternoon . Partly sunny, with a high near 60. Chance of precipitation is 50%.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. South wind 7 to 14 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 66. South wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 44. South wind 9 to 14 mph becoming light and variable. Winds could gust as high as 22 mph.
Saturday
Sunny, with a high near 71. North wind 8 to 13 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Mostly clear, with a low around 48. South wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.
Sunday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 70.
Sunday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Labor Day
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Snow level 10200 feet lowering to 9500 feet in the afternoon . Partly sunny, with a high near 60. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Mackay ID
 43.98°N 113.45°W (Elev. 6798 ft)
5:31 pm MDT Sep 3, 2026
7pm MDT Sep 3, 2026-6pm MDT Sep 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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