Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

52°F

11°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Aug 03:55 AM MDT
Extended Forecast for

21 Miles WNW Mackay ID

  • Today

    Today: Sunny, with a high near 79. Light and variable wind becoming northwest 6 to 11 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northwest wind 6 to 11 mph becoming light west  in the evening.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West wind 5 to 9 mph becoming calm  after midnight.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm.  Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Slight Chance
    Rain then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: 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

Today
Sunny, with a high near 79. Light and variable wind becoming northwest 6 to 11 mph in the afternoon.
Tonight
Mostly clear, with a low around 54. Northwest wind 6 to 11 mph becoming light west in the evening.
Thursday
Sunny, with a high near 84. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 57. West wind 5 to 9 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Saturday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 51.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles WNW Mackay ID
 44.05°N 113.98°W (Elev. 6788 ft)
2:31 am MDT Aug 19, 2026
4am MDT Aug 19, 2026-6pm MDT Aug 25, 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