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

Salmon, Lemhi County Airport (KSMN)

Lat: 45.11667°NLon: 113.88333°WElev: 4045.0ft.

Clear

63°F

17°C

Humidity 55%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Aug 12:35 AM MDT
Extended Forecast for

26 Miles NE Challis ID

  • Overnight

    Overnight: Mostly clear, with a low around 47. North wind around 7 mph becoming west.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. West wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West wind 6 to 10 mph becoming east northeast after midnight.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °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 54. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °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 61.

    High: 61 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 47. North wind around 7 mph becoming west.
Wednesday
Sunny, with a high near 64. West wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 49. West wind 6 to 10 mph becoming east northeast after midnight.
Thursday
Sunny, with a high near 69. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 54. West wind 7 to 11 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 69.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain after 9pm. Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 46.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 60.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain and thunderstorms. Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
26 Miles NE Challis ID
 44.8°N 113.89°W (Elev. 9770 ft)
12:22 am MDT Aug 19, 2026
12am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database