Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

52°F

11°C

Humidity 50%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 08 May 09:20 AM MDT
Extended Forecast for

4 Miles S Salmon ID

  • Today

    Today: Increasing clouds, with a high near 78. Light north wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 78 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Northwest wind 9 to 14 mph becoming light north northwest  after midnight. Winds could gust as high as 29 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 75. Light and variable wind becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. North wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 22 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 78. Light north wind becoming north northwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Northwest wind 9 to 14 mph becoming light north northwest after midnight. Winds could gust as high as 29 mph.
Saturday
Sunny, with a high near 75. Light and variable wind becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 38. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Sunday
Mostly sunny, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4035 ft)
7:06 am MDT May 8, 2026
9am MDT May 8, 2026-6pm MDT May 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database