Lemhi County Airport (SMN) Weather 06/23/2026
Today
93
Sunny then Sunny and Breezy
Tonight
48
Mostly Clear and Breezy then Mostly Clear
Wednesday
82
Sunny
Wednesday Night
43
Clear
Thursday
86
Sunny
Thursday Night
48
Partly Cloudy
Juneteenth
92
Sunny
Friday Night
52
Mostly Cloudy
Saturday
84
Mostly Cloudy then Chance T-storms
Saturday Night
46
Partly Cloudy
Sunday
82
Sunny
Sunday Night
44
Mostly Clear
Monday
83
Sunny
Weekly Forecast
Today
Sunny, with a high near 93. Breezy, with a light and variable wind becoming west northwest 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.
Tonight
Mostly clear, with a low around 48. Breezy, with a west northwest wind 19 to 24 mph becoming light and variable after midnight. Winds could gust as high as 46 mph.
Wednesday
Sunny, with a high near 82. Light north wind becoming north northwest 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Clear, with a low around 43. North northwest wind 12 to 17 mph becoming light north after midnight. Winds could gust as high as 34 mph.
Thursday
Sunny, with a high near 86. Light north wind.
Thursday Night
Partly cloudy, with a low around 48.
Juneteenth
Sunny, with a high near 92.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 83.