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Olson, SD Weather Forecast
Olson, SD Weather Forecast Dated: 311 PM Wed Sep 09 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 9, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
79°F 26°C
Scattered Showers
Early-Evening
72°F 23°C
Overcast
Pleasant near 79°F 26°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds turning from the WNW to the NW at 9 mph 14 km/h.
Thursday, September 10, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
80°F 27°C
Sunny
Hot and sweltering around 90°F 32°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SW to the N at 7 mph 11 km/h.
Friday, September 11, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
76°F 24°C
Partly Cloudy
Early-Evening
61°F 16°C
Sunny
Enjoyable around 76°F 24°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with increasing humidity and barometric pressure rising. Winds moving from the NNE to the NNW at 18 mph 30 km/h. Gusts up to 23 mph 37 km/h.
Saturday, September 12, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
57°F 14°C
Overcast
Cool with a high near 59°F 15°C, overcast throughout the day, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
51°F 11°C
Light Showers
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
54°F 12°C
Light Showers
Brisk around 52°F 11°C, scattered downpours possible, with steady humidity and steady pressure. Winds easing from ESE 21 mph 35 km/h to E 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
45°F 7°C
Scattered Showers
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
51°F 11°C
Sunny
Cool and brisk at 56°F 13°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds tapering down from WNW 20 mph 33 km/h to NE 9 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 18°C
Partly Cloudy
Comfortable with temperatures reaching 70°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the SE to the E at 15 mph 23 km/h. Gusts up to 24 mph 39 km/h.
Wednesday, September 16, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
58°F 14°C
Scattered Showers
Early-Evening
56°F 14°C
Scattered Showers
Cool with a high near 58°F 14°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the E to the ENE at 10 mph 16 km/h.
Thursday, September 17, 2026
Mid-Morning
57°F 14°C
Scattered Showers
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
64°F 18°C
Partly Cloudy
Refreshing around 66°F 19°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds moving from the ESE to the SE at 12 mph 20 km/h. Gusts up to 25 mph 41 km/h.
Friday, September 18, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
87°F 31°C
Cloudy
Early-Evening
76°F 24°C
Cloudy
Very warm with a high of 87°F 31°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds swinging from the SW to the NNW at 13 mph 20 km/h. Gusts up to 24 mph 38 km/h.
Saturday, September 19, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
77°F 25°C
Light Showers
Early-Evening
68°F 20°C
Scattered Showers
Pleasant near 77°F 25°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds shifting from the SSE to the ESE at 10 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
62°F 17°C
Light Showers
Mid-Afternoon
66°F 19°C
Light Showers
Early-Evening
60°F 16°C
Scattered Thunderstorms
Cool with a high near 66°F 19°C, on-and-off showers throughout the day, with steady humidity and barometric pressure rising. Winds turning from the ESE to the NNE at 9 mph 14 km/h.
Monday, September 21, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
56°F 14°C
Overcast
Brisk around 55°F 13°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
68°F 20°C
Cloudy
Mild temperatures up to 77°F 25°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SW to the N at 11 mph 18 km/h.
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