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Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

79°F

26°C

Humidity 21%
Wind Speed WNW 5 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Jun 02:05 PM MDT
Extended Forecast for

4 Miles S Salmon ID

Wind Advisory June 16, 01:00pm until June 16, 10:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. North wind 3 to 6 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. North wind 5 to 7 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 93. Breezy, with a light and variable wind becoming west northwest 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 93 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Breezy, with a north northwest wind 18 to 23 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 46 mph.

    Low: 48 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light north wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. North wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 48. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93. Breezy, with a light and variable wind becoming west northwest 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
Mostly clear, with a low around 48. Breezy, with a north northwest wind 18 to 23 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 46 mph.
Wednesday
Sunny, with a high near 82. Light north wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 48.
Juneteenth
Sunny, with a high near 92.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
A chance of rain and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Salmon ID
 45.12°N 113.89°W (Elev. 4035 ft)
Last Update:
2:01 pm MDT Jun 15, 2026
Forecast Valid:
2pm MDT Jun 15, 2026-6pm MDT Jun 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation