Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Rain

51°F

11°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 29 Jun 04:56 PM MDT
Extended Forecast for

25 Miles S Salmon ID

  • This Afternoon

    This Afternoon: A 30 percent chance of rain.  Mostly cloudy, with a high near 44. West wind around 7 mph.

    High: 44 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 7pm.  Mostly cloudy, with a low around 35. West wind 5 to 7 mph.

    Low: 35 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 55. Calm wind becoming west southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 60%.

    High: 55 °F

    Partly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms before 10pm, then a slight chance of rain between 10pm and 11pm.  Low around 39. West southwest wind 5 to 7 mph.  Chance of precipitation is 80%.

    Low: 39 °F

    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 59. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Mostly cloudy, with a high near 44. West wind around 7 mph.
Tonight
A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 35. West wind 5 to 7 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 55. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Rain and thunderstorms before 10pm, then a slight chance of rain between 10pm and 11pm. Low around 39. West southwest wind 5 to 7 mph. Chance of precipitation is 80%.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 43.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 40.
Independence Day
Sunny, with a high near 66.
Saturday Night
Clear, with a low around 45.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles S Salmon ID
 44.83°N 113.83°W (Elev. 8340 ft)
2:00 pm MDT Jun 29, 2026
5pm MDT Jun 29, 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