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

Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Fog

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 36°F (2°C)
Visibility 0.50 mi
Last update 20 Nov 04:40 AM MST
Extended Forecast for

15 Miles S Salmon ID

  • Today

    Today: Mostly sunny, with a high near 52. South wind around 6 mph becoming light and variable in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. North wind 3 to 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50. Light and variable wind becoming west southwest around 6 mph in the morning.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. North northwest wind around 6 mph becoming southwest after midnight.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52. South southwest wind around 6 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain before 8am, then a slight chance of rain and snow. Snow level 5700 feet lowering to 5000 feet in the afternoon . Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 52. South wind around 6 mph becoming light and variable in the afternoon.
Tonight
Partly cloudy, with a low around 32. North wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 50. Light and variable wind becoming west southwest around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 30. North northwest wind around 6 mph becoming southwest after midnight.
Saturday
Mostly sunny, with a high near 52. South southwest wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 34.
Monday
A slight chance of rain before 8am, then a slight chance of rain and snow. Snow level 5700 feet lowering to 5000 feet in the afternoon . Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles S Salmon ID
 44.97°N 113.95°W (Elev. 4400 ft)
Last Update:
1:01 am MST Nov 20, 2025
Forecast Valid:
4am MST Nov 20, 2025-6pm MST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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