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


Lyman, SD Weather Forecast Dated: 1212 PM Mon Sep 07 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Monday, September 7, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
82°F 28°C
Drizzle
Early-Evening
90°F 33°C
Light Showers
Warm and summery around 82°F 28°C (feels like 85°F 29°C), drier morning followed by showers lasting through evening, with lower humidity and barometric pressure falling. Winds easing from SE 18 mph 28 km/h to WSW 9 mph 15 km/h.
Tuesday, September 8, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
83°F 29°C
Overcast
Early-Evening
82°F 28°C
Partly Cloudy
Balmy with temperatures reaching 83°F 29°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds blowing from the NW at 12 mph 20 km/h.
Wednesday, September 9, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
77°F 26°C
Overcast
Enjoyable around 78°F 25°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds decreasing from NW 15 mph 24 km/h to W 7 mph 10 km/h.
Thursday, September 10, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
87°F 31°C
Sunny
Warm temperatures up to 88°F 31°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSW to the E at 7 mph 11 km/h.
Friday, September 11, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
78°F 25°C
Sunny
Very warm with a high of 81°F 27°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds shifting from the N to the NNE at 12 mph 19 km/h.
Saturday, September 12, 2026
Mid-Morning
63°F 17°C
Cloudy
Mid-Afternoon
84°F 29°C
Partly Cloudy
Early-Evening
84°F 29°C
Partly Cloudy
Warm and summery near 84°F 29°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds SSE at 17 mph 27 km/h. Gusts up to 27 mph 44 km/h.
Sunday, September 13, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
66°F 19°C
Sunny
Balmy with temperatures reaching 83°F 28°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure rising. Winds picking up from ESE at 13 mph 21 km/h to NNW at 21 mph 34 km/h. Gusts up to 29 mph 46 km/h.
Monday, September 14, 2026
Mid-Morning
48°F 9°C
Partly Cloudy
Mid-Afternoon
51°F 11°C
Overcast
Early-Evening
51°F 11°C
Sunny
Crisp with a high near 51°F 11°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds moving from the NNW to the SE at 11 mph 18 km/h.
Tuesday, September 15, 2026
Mid-Morning
49°F 10°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
61°F 16°C
Sunny
Refreshing around 60°F 16°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the S to the ESE at 8 mph 12 km/h.
Wednesday, September 16, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
74°F 24°C
Sunny
Mild with a high of 74°F 24°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds shifting from the SSE to the ESE at 8 mph 13 km/h.
Thursday, September 17, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
79°F 26°C
Sunny
Warm and summery near 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the ESE at 9 mph 14 km/h. Gusts up to 23 mph 37 km/h.
Friday, September 18, 2026
Mid-Morning
76°F 25°C
Scattered Showers
Mid-Afternoon
80°F 27°C
Light Showers
Early-Evening
80°F 27°C
Light Showers
Balmy with temperatures reaching 80°F 27°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the S to the NE at 7 mph 11 km/h.
Saturday, September 19, 2026
Mid-Morning
56°F 14°C
Sunny
Mid-Afternoon
60°F 16°C
Overcast
Early-Evening
58°F 14°C
Partly Cloudy
Refreshing around 60°F 16°C, cloudy through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure rising. Winds moving from the NNE to the SW at 11 mph 17 km/h.
Sunday, September 20, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
69°F 20°C
Partly Cloudy
Early-Evening
70°F 22°C
Sunny
Mild temperatures up to 69°F 20°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the SE to the SSE at 17 mph 27 km/h. Gusts up to 29 mph 46 km/h.
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