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

70°F

21°C

Humidity 28%
Wind Speed NE 12 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 17 Jun 12:35 AM MDT
Extended Forecast for

16 Miles WSW Salmon ID

  • Overnight

    Overnight: Mostly clear, with a low around 47. Northwest wind 5 to 9 mph becoming light west northwest. Winds could gust as high as 22 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Light west wind becoming north northwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42. Northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 77. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 48 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 82.

    High: 82 °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 73.

    High: 73 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Northwest wind 5 to 9 mph becoming light west northwest. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 72. Light west wind becoming north northwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Clear, with a low around 42. Northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 77. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. Northwest wind 5 to 9 mph becoming calm after midnight.
Juneteenth
Sunny, with a high near 82.
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 73.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WSW Salmon ID
 45.09°N 114.22°W (Elev. 5935 ft)
Last Update:
12:21 am MDT Jun 17, 2026
Forecast Valid:
12am MDT Jun 17, 2026-6pm MDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation