Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Partly Cloudy

62°F

17°C

Humidity 64%
Wind Speed N 6 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 30 Jun 12:56 PM MDT
Extended Forecast for

21 Miles S Salmon ID

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 56. West wind 6 to 8 mph.  Chance of precipitation is 70%.

    High: 56 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and 10pm.  Low around 41. West southwest wind 3 to 8 mph.  Chance of precipitation is 80%.

    Low: 41 °F

    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 60. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 60 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 41. South southwest wind 5 to 8 mph.

    Low: 41 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 56. West wind 6 to 8 mph. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and 10pm. Low around 41. West southwest wind 3 to 8 mph. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 41. South southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 64. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 46.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 45.
Independence Day
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles S Salmon ID
 44.87°N 113.87°W (Elev. 7631 ft)
12:21 pm MDT Jun 30, 2026
1pm MDT Jun 30, 2026-6pm MDT Jul 6, 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