Altamont, SD 14 Day Weather - WeatherWorld.com
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Altamont, SD Weather Forecast


Altamont, SD Weather Forecast Dated: 820 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
64°F 18°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
74°F 23°C
Sunny
Pleasant near 75°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the WNW at 15 mph 23 km/h.
Thursday, September 10, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
78°F 26°C
Sunny
Balmy with temperatures reaching 82°F 28°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds building from SW at 7 mph 12 km/h to S at 17 mph 27 km/h. Gusts up to 31 mph 49 km/h.
Friday, September 11, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
81°F 27°C
Sunny
Sizzling hot with 91°F 33°C, overcast through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds moving from the SSW to the N at 23 mph 37 km/h. Gusts up to 36 mph 57 km/h.
Saturday, September 12, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
67°F 19°C
Overcast
Mild temperatures up to 69°F 21°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds swinging from the N to the WNW at 5 mph 9 km/h.
Sunday, September 13, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
51°F 11°C
Scattered Showers
Refreshing around 65°F 18°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds blowing from the E at 13 mph 22 km/h. Gusts up to 27 mph 43 km/h.
Monday, September 14, 2026
Mid-Morning
51°F 11°C
Fog
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
54°F 12°C
Overcast
Cool and brisk at 57°F 14°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds turning from the SW to the NW at 13 mph 21 km/h. Gusts up to 21 mph 34 km/h.
Tuesday, September 15, 2026
Mid-Morning
51°F 10°C
Sunny
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
62°F 17°C
Cloudy
Comfortable at 63°F 17°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
60°F 16°C
Light Showers
Cool with a high near 60°F 16°C, mainly dry until evening showers arrive, with increasing humidity and steady pressure. Winds switching from the ESE to the SE at 8 mph 13 km/h. Gusts up to 21 mph 33 km/h.
Thursday, September 17, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
69°F 21°C
Partly Cloudy
Mild temperatures up to 70°F 21°C, locally heavy downpours at times, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
77°F 25°C
Overcast
Very warm with a high of 80°F 27°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the SSW to the SW at 16 mph 26 km/h. Gusts up to 28 mph 45 km/h.
Saturday, September 19, 2026
Mid-Morning
62°F 17°C
Partly Cloudy
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
74°F 24°C
Sunny
Pleasant near 75°F 24°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds decreasing from N 17 mph 28 km/h to NNE 7 mph 11 km/h.
Sunday, September 20, 2026
Mid-Morning
63°F 17°C
Light Showers
Mid-Afternoon
60°F 15°C
Scattered Showers
Early-Evening
61°F 16°C
Scattered Showers
Cool with a high near 60°F 15°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the ENE at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
55°F 13°C
Light Showers
Mid-Afternoon
59°F 15°C
Light Showers
Early-Evening
59°F 15°C
Light Showers
Refreshing around 59°F 15°C, rounds of showers expected off and on all day, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
60°F 16°C
Scattered Showers
Early-Evening
65°F 19°C
Scattered Showers
Mildly cool near 60°F 16°C, scattered downpours possible, with lower humidity and steady pressure. Winds turning from the NNW to the W at 9 mph 14 km/h.
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