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

60°F

16°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Aug 12:56 AM MDT
Extended Forecast for

24 Miles NE Challis ID

  • Overnight

    Overnight: Mostly clear, with a low around 46. North wind around 6 mph becoming west.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West wind 5 to 10 mph becoming east after midnight.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °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 63.

    High: 63 °F

    Showers
    Likely

  • Saturday Night

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

    Low: 49 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 46. North wind around 6 mph becoming west.
Wednesday
Sunny, with a high near 66. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 49. West wind 5 to 10 mph becoming east after midnight.
Thursday
Sunny, with a high near 70. South wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 53. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 70.
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 63.
Saturday Night
A chance of rain before midnight. Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 46.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 62.
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 61.
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ABOUT THIS FORECAST

 
Point Forecast:
24 Miles NE Challis ID
 44.76°N 113.88°W (Elev. 9728 ft)
12:22 am MDT Aug 19, 2026
1am 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