National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

78°F

26°C

Humidity 20%
Wind Speed N 10 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 16 Jun 09:56 PM MDT
Extended Forecast for

28 Miles SW Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 45. West northwest wind 12 to 17 mph becoming light west after midnight. Winds could gust as high as 37 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Light west southwest wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 29 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. North northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 29 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 47 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70.

    High: 70 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. West northwest wind 12 to 17 mph becoming light west after midnight. Winds could gust as high as 37 mph.
Wednesday
Sunny, with a high near 70. Light west southwest wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 40. North northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 47. Northwest wind 5 to 9 mph becoming calm after midnight.
Juneteenth
Sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SW Salmon ID
 44.95°N 114.37°W (Elev. 6696 ft)
Last Update:
2:01 pm MDT Jun 16, 2026
Forecast Valid:
10pm MDT Jun 16, 2026-6pm MDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation