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Thomas Lake, SD Weather Forecast
Thomas Lake, SD Weather Forecast Dated: 144 AM Fri Oct 23 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.
Friday, October 23, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
76°F 25°C
Overcast
Pleasant near 77°F 25°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds turning from the SSE to the S at 16 mph 26 km/h. Gusts up to 32 mph 52 km/h.
Saturday, October 24, 2026
Mid-Morning
49°F 10°C
Overcast
Mid-Afternoon
56°F 13°C
Overcast
Early-Evening
52°F 11°C
Overcast
Cool and brisk at 56°F 13°C, overcast throughout the day, with lower humidity and barometric pressure rising. Winds tapering down from WNW 21 mph 33 km/h to N 8 mph 13 km/h.
Sunday, October 25, 2026
Mid-Morning
41°F 5°C
Overcast
Mid-Afternoon
53°F 12°C
Overcast
Early-Evening
49°F 9°C
Overcast
Chilly near 53°F 12°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the NE to the ENE at 9 mph 14 km/h.
Monday, October 26, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
39°F 4°C
Light Sleet
Early-Evening
34°F 1°C
Snow
Nippy around 39°F 4°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds out of the ENE at 11 mph 17 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, October 27, 2026
Mid-Morning
36°F 2°C
Fog
Mid-Afternoon
46°F 8°C
Overcast
Early-Evening
43°F 7°C
Overcast
Brisk around 46°F 8°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.
Wednesday, October 28, 2026
Mid-Morning
47°F 8°C
Drizzle
Mid-Afternoon
51°F 11°C
Sunny
Early-Evening
44°F 7°C
Cloudy
Cool and brisk at 51°F 11°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure rising. Winds building from SSE at 6 mph 10 km/h to WNW at 21 mph 34 km/h. Gusts up to 40 mph 64 km/h.
Thursday, October 29, 2026
Mid-Morning
38°F 3°C
Overcast
Mid-Afternoon
41°F 5°C
Overcast
Early-Evening
39°F 4°C
Overcast
Nippy around 41°F 5°C, overcast throughout the day, with steady humidity and steady pressure. Winds decreasing from NW 14 mph 22 km/h to NW 4 mph 7 km/h.
Friday, October 30, 2026
Mid-Morning
35°F 2°C
Partly Cloudy
Mid-Afternoon
41°F 5°C
Partly Cloudy
Early-Evening
40°F 4°C
Scattered Showers
Biting cold near 41°F 5°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds switching from the S to the SE at 9 mph 14 km/h. Gusts up to 24 mph 39 km/h.
Saturday, October 31, 2026
Mid-Morning
41°F 5°C
Light Fog
Mid-Afternoon
45°F 7°C
Partly Cloudy
Early-Evening
40°F 5°C
Partly Cloudy
Brisk around 45°F 7°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure rising.
Sunday, November 1, 2026
Mid-Morning
35°F 2°C
Patchy Moderate Snow
Mid-Afternoon
42°F 5°C
Scattered Showers
Early-Evening
38°F 3°C
Scattered Showers
Nippy around 42°F 5°C, periods of blowing snow, with steady humidity and steady pressure.
Monday, November 2, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
46°F 8°C
Partly Cloudy
Early-Evening
41°F 6°C
Clear
Chilly near 46°F 8°C, scattered downpours possible, with steady humidity and steady pressure.
Tuesday, November 3, 2026
Mid-Morning
40°F 5°C
Partly Cloudy
Mid-Afternoon
45°F 7°C
Partly Cloudy
Early-Evening
40°F 5°C
Partly Cloudy
Crisp with a high near 45°F 7°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Wednesday, November 4, 2026
Mid-Morning
41°F 5°C
Cloudy
Mid-Afternoon
50°F 10°C
Cloudy
Early-Evening
48°F 9°C
Partly Cloudy
Brisk around 50°F 10°C, cloudy throughout the day, with steady humidity and barometric pressure falling. Winds moving from the S to the SSW at 8 mph 12 km/h. Gusts up to 24 mph 38 km/h.
Thursday, November 5, 2026
Mid-Morning
49°F 10°C
Partly Cloudy
Mid-Afternoon
59°F 15°C
Partly Cloudy
Early-Evening
53°F 12°C
Partly Cloudy
Mildly cool near 59°F 15°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds swinging from the W to the WNW at 10 mph 15 km/h. Gusts up to 24 mph 38 km/h.
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