Mortimer Slough, SD 14 Day Weather
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Mortimer Slough, SD Weather Forecast


Mortimer Slough, SD Weather Forecast Dated: 848 AM Wed Oct 07 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, October 7, 2026
Mid-Morning
57°F 14°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
64°F 18°C
Overcast
Pleasant near 73°F 23°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds out of the WNW at 12 mph 19 km/h.
Thursday, October 8, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
63°F 18°C
Partly Cloudy
Comfortable with temperatures reaching 71°F 22°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds blowing from the SE at 10 mph 16 km/h.
Friday, October 9, 2026
Mid-Morning
57°F 14°C
Partly Cloudy
Mid-Afternoon
78°F 26°C
Partly Cloudy
Early-Evening
75°F 24°C
Sunny
Enjoyable around 78°F 26°C, partly cloudy throughout the day, with lower humidity and barometric pressure falling. Winds moving from the SE to the S at 15 mph 25 km/h. Gusts up to 35 mph 56 km/h.
Saturday, October 10, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
77°F 26°C
Sunny
Warm temperatures up to 83°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the SSW at 22 mph 36 km/h. Gusts up to 35 mph 56 km/h.
Sunday, October 11, 2026
Mid-Morning
54°F 12°C
Cloudy
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
56°F 13°C
Overcast
Refreshing around 65°F 18°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure rising. Winds blowing from the NNE at 13 mph 21 km/h.
Monday, October 12, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
48°F 9°C
Overcast
Cool and brisk at 52°F 11°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the NNE to the NNW at 12 mph 18 km/h.
Tuesday, October 13, 2026
Mid-Morning
41°F 5°C
Overcast
Mid-Afternoon
52°F 11°C
Sunny
Early-Evening
47°F 9°C
Sunny
Chilly near 52°F 11°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds switching from the NNW to the SE at 6 mph 9 km/h.
Wednesday, October 14, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
53°F 12°C
Rain
Early-Evening
58°F 15°C
Drizzle
Crisp with a high near 53°F 12°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and barometric pressure falling. Winds blowing from the SSE at 17 mph 28 km/h. Gusts up to 39 mph 63 km/h.
Thursday, October 15, 2026
Mid-Morning
67°F 20°C
Rain
Mid-Afternoon
75°F 24°C
Scattered Showers
Early-Evening
56°F 13°C
Scattered Showers
Mild temperatures up to 75°F 24°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds swinging from the S to the WSW at 18 mph 28 km/h. Gusts up to 29 mph 46 km/h.
Friday, October 16, 2026
Mid-Morning
43°F 6°C
Scattered Showers
Mid-Afternoon
43°F 6°C
Scattered Showers
Early-Evening
41°F 5°C
Scattered Showers
Nippy around 43°F 6°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds shifting from the W to the WNW at 20 mph 33 km/h. Gusts up to 32 mph 51 km/h.
Saturday, October 17, 2026
Mid-Morning
38°F 4°C
Scattered Showers
Mid-Afternoon
38°F 3°C
Scattered Showers
Early-Evening
37°F 3°C
Snow
Biting cold near 38°F 3°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the NW at 14 mph 22 km/h. Gusts up to 23 mph 37 km/h.
Sunday, October 18, 2026
Mid-Morning
38°F 4°C
Overcast
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
43°F 6°C
Sunny
Crisp with a high near 48°F 9°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the NW to the WNW at 7 mph 11 km/h.
Monday, October 19, 2026
Mid-Morning
43°F 6°C
Partly Cloudy
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
53°F 12°C
Sunny
Refreshing around 59°F 15°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Tuesday, October 20, 2026
Mid-Morning
51°F 10°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
58°F 15°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the ESE to the E at 10 mph 16 km/h.
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