Belle Fourche, SD 14 Day Weather - 57717 WeatherWorld.com
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Belle Fourche, SD Weather Forecast


Belle Fourche, SD Weather Forecast Dated: 636 AM Mon Sep 14 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. comfortable humidity and no major pressure swings will dominate.
Monday, September 14, 2026
Mid-Morning
64°F 18°C
Scattered Showers
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
67°F 19°C
Sunny
Pleasant near 76°F 25°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds turning from the WNW to the NW at 19 mph 31 km/h. Gusts up to 31 mph 50 km/h.
Tuesday, September 15, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 18°C
Sunny
Comfortable with temperatures reaching 70°F 21°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the WNW to the E at 11 mph 17 km/h.
Wednesday, September 16, 2026
Mid-Morning
63°F 17°C
Scattered Showers
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
67°F 19°C
Cloudy
Enjoyable around 75°F 24°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the SE to the ESE at 19 mph 30 km/h. Gusts up to 26 mph 42 km/h.
Thursday, September 17, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
91°F 33°C
Nearby Thunderstorms
Early-Evening
83°F 29°C
Overcast
Hot temperatures near 91°F 33°C, periods of heavy thunderstorms, with lower humidity and barometric pressure falling. Winds swinging from the E to the SE at 5 mph 8 km/h.
Friday, September 18, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
86°F 30°C
Nearby Thunderstorms
Early-Evening
72°F 22°C
Scattered Showers
Very warm with a high of 86°F 30°C, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds building from N at 4 mph 6 km/h to NW at 13 mph 20 km/h.
Saturday, September 19, 2026
Mid-Morning
61°F 16°C
Light Showers
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
64°F 18°C
Scattered Showers
Pleasant near 68°F 20°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds turning from the N to the SE at 6 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
71°F 22°C
Partly Cloudy
Balmy with temperatures reaching 82°F 28°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the WSW at 4 mph 6 km/h.
Monday, September 21, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
76°F 24°C
Partly Cloudy
Quite warm around 86°F 30°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the NNE to the ESE at 9 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
74°F 23°C
Light Showers
Warm temperatures up to 82°F 28°C, dry most of the day, with showers developing late, with steady humidity and steady pressure. Winds swinging from the ENE to the ESE at 13 mph 21 km/h. Gusts up to 26 mph 42 km/h.
Wednesday, September 23, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
78°F 26°C
Overcast
Very warm with a high of 83°F 28°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds shifting from the ESE to the SE at 9 mph 15 km/h.
Thursday, September 24, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
76°F 25°C
Sunny
Warm and summery near 84°F 29°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the NW at 18 mph 30 km/h.
Friday, September 25, 2026
Mid-Morning
74°F 23°C
Partly Cloudy
Mid-Afternoon
92°F 33°C
Cloudy
Early-Evening
79°F 26°C
Overcast
Hot and sweltering around 92°F 33°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the SE to the SSE at 8 mph 13 km/h.
Saturday, September 26, 2026
Mid-Morning
76°F 24°C
Cloudy
Mid-Afternoon
90°F 32°C
Partly Cloudy
Early-Evening
80°F 27°C
Overcast
Sizzling hot with 90°F 32°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds moving from the WNW to the ESE at 7 mph 11 km/h.
Sunday, September 27, 2026
Mid-Morning
76°F 25°C
Partly Cloudy
Mid-Afternoon
92°F 34°C
Sunny
Early-Evening
82°F 28°C
Sunny
Hot temperatures near 92°F 34°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling. Winds swinging from the SE to the SSE at 5 mph 8 km/h.
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