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Thomas, SD Weather Forecast
Thomas, SD Weather Forecast Dated: 1238 AM Fri Oct 23 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and a stable pattern will dominate.
Friday, October 23, 2026
Mid-Morning
61°F 16°C
Light Showers
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
70°F 21°C
Overcast
Pleasant near 74°F 23°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds turning from the SSE to the S at 23 mph 36 km/h. Gusts up to 39 mph 64 km/h.
Saturday, October 24, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
58°F 14°C
Overcast
Early-Evening
55°F 13°C
Overcast
Mildly cool near 58°F 14°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure rising. Winds switching from the SW to the N at 10 mph 16 km/h.
Sunday, October 25, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
50°F 10°C
Scattered Showers
Early-Evening
43°F 6°C
Drizzle
Chilly near 50°F 10°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the NE to the E at 6 mph 10 km/h.
Monday, October 26, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
37°F 3°C
Light Rain
Early-Evening
35°F 2°C
Light Sleet
Nippy around 37°F 3°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds swinging from the ENE to the NE at 14 mph 23 km/h. Gusts up to 28 mph 46 km/h.
Tuesday, October 27, 2026
Mid-Morning
38°F 3°C
Scattered Showers
Mid-Afternoon
49°F 9°C
Partly Cloudy
Early-Evening
46°F 8°C
Partly Cloudy
Brisk around 49°F 9°C, scattered downpours possible, with lower humidity and barometric pressure falling. Winds shifting from the ENE to the SE at 4 mph 6 km/h.
Wednesday, October 28, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Light Showers
Early-Evening
50°F 10°C
Scattered Showers
Cool and brisk at 57°F 14°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds turning from the SSE to the W at 19 mph 31 km/h. Gusts up to 36 mph 58 km/h.
Thursday, October 29, 2026
Mid-Morning
41°F 5°C
Overcast
Mid-Afternoon
42°F 5°C
Overcast
Early-Evening
38°F 4°C
Overcast
Nippy around 42°F 5°C, overcast throughout the day, with steady humidity and steady pressure. Winds easing from NW 14 mph 23 km/h to NNW 6 mph 10 km/h. Gusts up to 20 mph 32 km/h.
Friday, October 30, 2026
Mid-Morning
34°F 1°C
Partly Cloudy
Mid-Afternoon
40°F 5°C
Partly Cloudy
Early-Evening
40°F 4°C
Partly Cloudy
Biting cold near 40°F 5°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling.
Saturday, October 31, 2026
Mid-Morning
45°F 7°C
Drizzle
Mid-Afternoon
49°F 10°C
Partly Cloudy
Early-Evening
44°F 6°C
Partly Cloudy
Brisk around 49°F 10°C, morning showers, giving way to clearing skies, with steady humidity and barometric pressure rising. Winds moving from the SSW to the NW at 6 mph 9 km/h.
Sunday, November 1, 2026
Mid-Morning
38°F 3°C
Partly Cloudy
Mid-Afternoon
45°F 7°C
Scattered Showers
Early-Evening
41°F 5°C
Light Showers
Cool and brisk at 45°F 7°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Monday, November 2, 2026
Mid-Morning
44°F 7°C
Scattered Showers
Mid-Afternoon
47°F 8°C
Scattered Showers
Early-Evening
44°F 7°C
Scattered Showers
Chilly near 47°F 8°C, scattered downpours possible, with steady humidity and steady pressure.
Tuesday, November 3, 2026
Mid-Morning
44°F 7°C
Scattered Showers
Mid-Afternoon
45°F 7°C
Scattered Showers
Early-Evening
42°F 5°C
Overcast
Crisp with a high near 45°F 7°C, locally heavy downpours at times, with lower humidity and steady pressure.
Wednesday, November 4, 2026
Mid-Morning
40°F 4°C
Cloudy
Mid-Afternoon
47°F 8°C
Overcast
Early-Evening
44°F 7°C
Overcast
Brisk around 47°F 8°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the SW to the S at 8 mph 13 km/h. Gusts up to 23 mph 37 km/h.
Thursday, November 5, 2026
Mid-Morning
49°F 9°C
Cloudy
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
50°F 10°C
Partly Cloudy
Cool and brisk at 57°F 14°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the SW to the WSW at 8 mph 13 km/h. Gusts up to 28 mph 46 km/h.
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