Lemhi County Airport (SMN) Weather 12/13/2025
Today
41
Chance Snow then Chance Rain/Snow
Tonight
24
Chance Snow
Sunday
40
Mostly Cloudy
Sunday Night
25
Chance Rain/Snow then Mostly Cloudy
Monday
42
Mostly Cloudy
Monday Night
31
Chance Rain
Tuesday
46
Rain
Tuesday Night
32
Rain Likely
Wednesday
47
Rain Likely
Wednesday Night
30
Chance Rain
Thursday
45
Chance Rain/Snow then Slight Chance Rain
Thursday Night
27
Slight Chance Rain/Snow
Friday
46
Slight Chance Rain/Snow then Partly Sunny
Weekly Forecast
Today
A chance of snow before 2pm, then a chance of rain and snow. Snow level 4200 feet. Mostly cloudy, with a high near 41. South southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 24. Southwest wind around 6 mph. Little or no snow accumulation expected.
Sunday
Mostly cloudy, with a high near 40. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
A chance of rain, mixing with snow after 8pm, then gradually ending. Snow level 5000 feet. Mostly cloudy, with a low around 25. South southwest wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
Mostly cloudy, with a high near 42. South southwest wind 3 to 7 mph.
Monday Night
A 50 percent chance of rain, mainly after 11pm. Cloudy, with a low around 31. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 32.
Wednesday
Rain likely. Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 30.
Thursday
A chance of rain and snow. Partly sunny, with a high near 45.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 46.