Fort Smith, MT 14 Day Weather - 59035 WeatherWorld.com
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Fort Smith, MT Weather Forecast


Fort Smith, MT Weather Forecast Dated: 439 AM Thu Sep 17 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 17, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
71°F 22°C
Scattered Showers
Early-Evening
67°F 20°C
Overcast
Pleasant near 71°F 22°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling.
Friday, September 18, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
80°F 26°C
Scattered Showers
Early-Evening
63°F 17°C
Scattered Showers
Balmy with temperatures reaching 80°F 26°C, scattered downpours possible, with increasing humidity and steady pressure. Winds turning from the SSW to the WNW at 6 mph 10 km/h.
Saturday, September 19, 2026
Mid-Morning
53°F 11°C
Light Showers
Mid-Afternoon
62°F 17°C
Nearby Thunderstorms
Early-Evening
56°F 13°C
Nearby Thunderstorms
Comfortable at 62°F 17°C, locally heavy downpours at times, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mild temperatures up to 72°F 22°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the SW to the SSE at 7 mph 11 km/h.
Monday, September 21, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
70°F 21°C
Partly Cloudy
Mild with a high of 77°F 25°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the SSW to the SSE at 4 mph 6 km/h.
Tuesday, September 22, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
50°F 10°C
Scattered Showers
Cool and brisk at 52°F 11°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds swinging from the NNW to the S at 10 mph 17 km/h. Gusts up to 20 mph 31 km/h.
Wednesday, September 23, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
61°F 16°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the SW to the SSW at 7 mph 11 km/h.
Thursday, September 24, 2026
Mid-Morning
60°F 16°C
Partly Cloudy
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
67°F 20°C
Sunny
Enjoyable around 75°F 24°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
70°F 21°C
Partly Cloudy
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
77°F 25°C
Overcast
Warm temperatures up to 84°F 29°C, partly cloudy in the morning, sunny in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds SW at 10 mph 15 km/h.
Saturday, September 26, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
78°F 25°C
Overcast
Very warm with a high of 84°F 29°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the SSW to the SW at 16 mph 26 km/h. Gusts up to 26 mph 42 km/h.
Sunday, September 27, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
77°F 25°C
Cloudy
Early-Evening
58°F 15°C
Overcast
Pleasant near 77°F 25°C, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure. Winds moving from the SW to the NE at 5 mph 8 km/h.
Monday, September 28, 2026
Mid-Morning
51°F 10°C
Scattered Showers
Mid-Afternoon
48°F 9°C
Light Showers
Early-Evening
44°F 7°C
Light Showers
Crisp with a high near 48°F 9°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds swinging from the NNE to the NE at 10 mph 16 km/h.
Tuesday, September 29, 2026
Mid-Morning
41°F 5°C
Scattered Showers
Mid-Afternoon
48°F 9°C
Overcast
Early-Evening
46°F 8°C
Overcast
Brisk around 48°F 9°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling.
Wednesday, September 30, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
51°F 11°C
Sunny
Cool and brisk at 57°F 14°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the WNW to the SSE at 6 mph 9 km/h.
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