Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Partly Cloudy

81°F

27°C

Humidity 21%
Wind Speed N 8 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Jun 05:05 PM MDT
Extended Forecast for

27 Miles WSW Salmon ID

  • Tonight

    Tonight: Mostly clear, with a low around 44. West wind 5 to 9 mph becoming calm  after midnight.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. North wind 8 to 13 mph becoming light north northeast  after midnight. Winds could gust as high as 21 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. West northwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 18 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 44. West wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 67. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 43. North wind 8 to 13 mph becoming light north northeast after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 50. West northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 63.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 43.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 50.
Saturday Night
A chance of rain and snow. Some thunder is also possible. Snow level 9100 feet lowering to 8100 feet after midnight . Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow. Some thunder is also possible. Snow level 7800 feet rising to 8700 feet in the afternoon. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
27 Miles WSW Salmon ID
 44.99°N 114.38°W (Elev. 7625 ft)
2:01 pm MDT Jun 21, 2026
5pm MDT Jun 21, 2026-6pm MDT Jun 28, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database