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

10°F

-12°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 21 Jan 10:20 PM MST
Extended Forecast for

27 Miles SSW Shoup ID

  • Tonight

    Tonight: Partly cloudy, with a low around 14. West southwest wind around 6 mph.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 30. Southwest wind 3 to 5 mph.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 8. Wind chill values as low as zero. North wind around 6 mph becoming west northwest in the evening.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 20. Wind chill values as low as -2. West northwest wind 6 to 10 mph becoming north in the morning.

    High: 20 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 2. West wind 5 to 10 mph.

    Low: 2 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 14. West southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 30. Southwest wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 8. Wind chill values as low as zero. North wind around 6 mph becoming west northwest in the evening.
Friday
Mostly sunny, with a high near 20. Wind chill values as low as -2. West northwest wind 6 to 10 mph becoming north in the morning.
Friday Night
Mostly clear, with a low around 2. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 21.
Saturday Night
Mostly clear, with a low around 6.
Sunday
Sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 10.
Monday
Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
27 Miles SSW Shoup ID
 45°N 114.44°W (Elev. 7595 ft)
Last Update:
2:06 pm MST Jan 21, 2026
Forecast Valid:
10pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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