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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

19°F

-7°C

Humidity 73%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 21 Jan 07:00 PM MST
Extended Forecast for

8 Miles SSE Salmon ID

  • Tonight

    Tonight: Partly cloudy, with a low around 17. West northwest wind around 6 mph becoming south southwest after midnight.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 26. West wind around 5 mph becoming light and variable.

    High: 26 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10. North northeast wind 6 to 8 mph becoming southeast in the evening.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 17. Wind chill values as low as -2. North northeast wind 7 to 10 mph.

    High: 17 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 4. North northwest wind 6 to 13 mph.

    Low: 4 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 17.

    High: 17 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. West northwest wind around 6 mph becoming south southwest after midnight.
Thursday
Partly sunny, with a high near 26. West wind around 5 mph becoming light and variable.
Thursday Night
Partly cloudy, with a low around 10. North northeast wind 6 to 8 mph becoming southeast in the evening.
Friday
Mostly sunny, with a high near 17. Wind chill values as low as -2. North northeast wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 4. North northwest wind 6 to 13 mph.
Saturday
Sunny, with a high near 17.
Saturday Night
Mostly clear, with a low around 8.
Sunday
Sunny, with a high near 22.
Sunday Night
Mostly clear, with a low around 11.
Monday
Mostly sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Salmon ID
 45.06°N 113.85°W (Elev. 7946 ft)
Last Update:
2:06 pm MST Jan 21, 2026
Forecast Valid:
7pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
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Additional Resources

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Chance of Precipitation