National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

55°F

13°C

Humidity 93%
Wind Speed ENE 3 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 Aug 05:00 AM MDT
Extended Forecast for

12 Miles SSW Salmon ID

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 77. South southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 77 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. North northwest wind around 6 mph becoming south after midnight.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. South wind 5 to 7 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 77. South southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 54. West southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Monday
Mostly sunny, with a high near 77. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 59. North northwest wind around 6 mph becoming south after midnight.
Tuesday
Mostly sunny, with a high near 78. South wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78.
Wednesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 56.
Saturday
A slight chance of rain. Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Salmon ID
 45.01°N 113.99°W (Elev. 6804 ft)
Last Update:
2:01 am MDT Aug 23, 2026
Forecast Valid:
5am MDT Aug 23, 2026-6pm MDT Aug 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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