Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

75°F

24°C

Humidity 22%
Wind Speed NNE 18 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Jun 03:20 PM MDT
Extended Forecast for

12 Miles WSW Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 38. Northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Light west wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. Northwest wind 8 to 13 mph becoming light north  after midnight. Winds could gust as high as 22 mph.

    Low: 45 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. West northwest wind 8 to 13 mph becoming light west southwest  after midnight. Winds could gust as high as 22 mph.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 62. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

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

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. Northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Sunny, with a high near 67. Light west wind becoming west northwest 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 45. Northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 22 mph.
Juneteenth
Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 51. West northwest wind 8 to 13 mph becoming light west southwest after midnight. Winds could gust as high as 22 mph.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 62. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 41.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Salmon ID
 45.08°N 114.09°W (Elev. 7776 ft)
2:01 pm MDT Jun 17, 2026
3pm MDT Jun 17, 2026-6pm MDT Jun 24, 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