Lemhi County Airport (SMN) Weather 08/02/2026
This Afternoon
95
Areas Smoke
Tonight
55
Patchy Smoke
Wednesday
93
Areas Smoke then Sunny
Wednesday Night
55
Partly Cloudy
Thursday
95
Sunny
Thursday Night
56
Mostly Clear
Friday
98
Hot
Friday Night
56
Mostly Clear
Saturday
101
Hot
Saturday Night
52
Mostly Clear and Breezy then Mostly Clear
Sunday
90
Sunny
Sunday Night
45
Clear
Monday
85
Sunny
Weekly Forecast
This Afternoon
Areas of smoke before 2pm, then patchy smoke after 3pm. Sunny, with a high near 95. North wind 3 to 7 mph.
Tonight
Patchy smoke. Mostly clear, with a low around 55. West northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Areas of smoke before 7am. Sunny, with a high near 93. Calm wind becoming north 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 55. North northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 95. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Mostly clear, with a low around 52. Breezy.
Sunday
Sunny, with a high near 90.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 85.