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 N 14 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Jun 04:20 PM MDT
Extended Forecast for

17 Miles S Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 40. Northwest wind 12 to 17 mph becoming light west  after midnight. Winds could gust as high as 32 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. North northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 46 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 77. Southeast wind 5 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. West northwest wind 6 to 11 mph becoming light and variable  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 66. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Northwest wind 12 to 17 mph becoming light west after midnight. Winds could gust as high as 32 mph.
Thursday
Sunny, with a high near 73. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 46. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Juneteenth
Mostly sunny, with a high near 77. Southeast wind 5 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 51. West northwest wind 6 to 11 mph becoming light and variable 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 66. 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 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Salmon ID
 44.93°N 113.85°W (Elev. 7096 ft)
2:01 pm MDT Jun 17, 2026
4pm 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