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Alsen SD Weather - Overcast - 77°F
Overcast
77°F
Updated 1:40 am
Feels Like 77°F
Humidity 94%
Wind E 12 mph
Barometer  29.9 in
Dew Point 75°F
Alsen SD Weather - Overcast - 25°C
Overcast
25°C
Updated 1:40 am
Feels Like 25°C
Humidity 94%
Wind E 19 km/h
Barometer  101.2 kPa
Dew Point 24°C
Alsen, SD Weather and Current Conditionsalsen sd weather forecast

Alsen, SD Weather Forecast

Alsen South Dakota WeatherAlsen, South Dakota Weather Weather Forecast
14 Day API Alsen, SD Weather Forecast. Note: Our 7 day Alsen, South Dakota weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Alsen, SD Weather Forecast Dated: 140 AM Tue Sep 08 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.

Tuesday, September 8, 2026

Mid-Morning
Alsen Weather - 2026-09-08 - Morning - Overcast
77°F 25°C
Overcast
Mid-Afternoon
Alsen Weather - 2026-09-08 - Afternoon - Cloudy
86°F 30°C
Cloudy
Early-Evening
Alsen Weather - 2026-09-08 - Evening - Cloudy
81°F 27°C
Cloudy
Warm and summery near 86°F 30°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the SSW to the NNW at 9 mph 14 km/h.

Wednesday, September 9, 2026

Mid-Morning
Alsen Weather - 2026-09-09 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Alsen Weather - 2026-09-09 - Afternoon - Partly Cloudy
82°F 28°C
Partly Cloudy
Early-Evening
Alsen Weather - 2026-09-09 - Evening - Cloudy
76°F 24°C
Cloudy
Balmy with temperatures reaching 82°F 28°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds switching from the NNE to the NNW at 9 mph 14 km/h.

Thursday, September 10, 2026

Mid-Morning
Alsen Weather - 2026-09-10 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Alsen Weather - 2026-09-10 - Afternoon - Sunny
87°F 31°C
Sunny
Early-Evening
Alsen Weather - 2026-09-10 - Evening - Overcast
83°F 29°C
Overcast
Quite warm around 87°F 31°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds increasing from the WSW at 3 mph 5 km/h to SSE at 13 mph 21 km/h. Gusts up to 27 mph 43 km/h.

Friday, September 11, 2026

Mid-Morning
Alsen Weather - 2026-09-11 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Alsen Weather - 2026-09-11 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
Alsen Weather - 2026-09-11 - Evening - Partly Cloudy
88°F 32°C
Partly Cloudy
Hot temperatures near 93°F 34°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds picking up from SW at 6 mph 10 km/h to NW at 19 mph 30 km/h. Gusts up to 27 mph 43 km/h.

Saturday, September 12, 2026

Mid-Morning
Alsen Weather - 2026-09-12 - Morning - Cloudy
56°F 14°C
Cloudy
Mid-Afternoon
Alsen Weather - 2026-09-12 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Alsen Weather - 2026-09-12 - Evening - Sunny
70°F 21°C
Sunny
Mild with a high of 72°F 22°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds shifting from the NNW to the ENE at 7 mph 11 km/h.

Sunday, September 13, 2026

Mid-Morning
Alsen Weather - 2026-09-13 - Morning - Scattered Showers
60°F 15°C
Scattered Showers
Mid-Afternoon
Alsen Weather - 2026-09-13 - Afternoon - Overcast
56°F 14°C
Overcast
Early-Evening
Alsen Weather - 2026-09-13 - Evening - Light Showers
54°F 12°C
Light Showers
Cool and brisk at 56°F 14°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds turning from the ESE to the ENE at 14 mph 22 km/h. Gusts up to 24 mph 39 km/h.

Monday, September 14, 2026

Mid-Morning
Alsen Weather - 2026-09-14 - Morning - Light Showers
59°F 15°C
Light Showers
Mid-Afternoon
Alsen Weather - 2026-09-14 - Afternoon - Light Fog
61°F 16°C
Light Fog
Early-Evening
Alsen Weather - 2026-09-14 - Evening - Light Showers
59°F 15°C
Light Showers
Comfortable at 61°F 16°C, rounds of showers morning and night, dry in between, with steady humidity and steady pressure. Winds switching from the ENE to the NW at 11 mph 18 km/h. Gusts up to 24 mph 38 km/h.

Tuesday, September 15, 2026

Mid-Morning
Alsen Weather - 2026-09-15 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Alsen Weather - 2026-09-15 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Alsen Weather - 2026-09-15 - Evening - Sunny
64°F 18°C
Sunny
Cool with a high near 65°F 18°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NW to the NNW at 7 mph 12 km/h.

Wednesday, September 16, 2026

Mid-Morning
Alsen Weather - 2026-09-16 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Alsen Weather - 2026-09-16 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Alsen Weather - 2026-09-16 - Evening - Sunny
66°F 19°C
Sunny
Refreshing around 62°F 17°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the ESE to the SE at 8 mph 13 km/h.

Thursday, September 17, 2026

Mid-Morning
Alsen Weather - 2026-09-17 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Alsen Weather - 2026-09-17 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Alsen Weather - 2026-09-17 - Evening - Sunny
75°F 24°C
Sunny
Mild with a high of 77°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the S to the ESE at 8 mph 12 km/h.

Friday, September 18, 2026

Mid-Morning
Alsen Weather - 2026-09-18 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Alsen Weather - 2026-09-18 - Afternoon - Overcast
88°F 31°C
Overcast
Early-Evening
Alsen Weather - 2026-09-18 - Evening - Overcast
83°F 29°C
Overcast
Warm and summery near 88°F 31°C, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure falling. Winds turning from the S to the SSE at 12 mph 20 km/h. Gusts up to 24 mph 39 km/h.

Saturday, September 19, 2026

Mid-Morning
Alsen Weather - 2026-09-19 - Morning - Fog
61°F 16°C
Fog
Mid-Afternoon
Alsen Weather - 2026-09-19 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Alsen Weather - 2026-09-19 - Evening - Overcast
60°F 16°C
Overcast
Comfortable with temperatures reaching 71°F 22°C, cloudy throughout the day, with lower humidity and barometric pressure rising. Winds NNE at 18 mph 29 km/h. Gusts up to 25 mph 41 km/h.

Sunday, September 20, 2026

Mid-Morning
Alsen Weather - 2026-09-20 - Morning - Sunny
48°F 9°C
Sunny
Mid-Afternoon
Alsen Weather - 2026-09-20 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Alsen Weather - 2026-09-20 - Evening - Sunny
65°F 18°C
Sunny
Refreshing around 65°F 18°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the ENE to the SE at 10 mph 16 km/h. Gusts up to 20 mph 31 km/h.

Monday, September 21, 2026

Mid-Morning
Alsen Weather - 2026-09-21 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Alsen Weather - 2026-09-21 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Alsen Weather - 2026-09-21 - Evening - Sunny
77°F 25°C
Sunny
Warm temperatures up to 80°F 27°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the SSE to the S at 19 mph 30 km/h. Gusts up to 32 mph 52 km/h.

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Weather by the Numbers

Tue, 8th
Alsen SD Weather - Tuesday, Sep 8, 2026 - Partly Cloudy
Hi: 86°F 30°C
Lo: 73°F 23°C
Sunrise 06:59 AM
Sunset 07:50 PM
Wind WSW 6 mph9 km/h
Dew Point 64°F18°C
uv Index 1
Barometric Pressure 29.88 in1012 mb
POP 9% *
Humidity 71%
Wed, 9th
Alsen SD Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 83°F 28°C
Lo: 66°F 19°C
Sunrise 07:00 AM
Sunset 07:48 PM
Wind NNW 11 mph18 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 33%
Thu, 10th
Alsen SD Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 89°F 31°C
Lo: 63°F 17°C
Sunrise 07:01 AM
Sunset 07:46 PM
Wind SW 7 mph12 km/h
Dew Point 40°F4°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 26%
Fri, 11th
Alsen SD Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 96°F 35°C
Lo: 67°F 20°C
Sunrise 07:03 AM
Sunset 07:44 PM
Wind SW 12 mph19 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 29.65 in1004 mb
POP 8% *
Humidity 31%
Sat, 12th
Alsen SD Weather - Saturday, Sep 12, 2026 - Partly Cloudy
Hi: 74°F 23°C
Lo: 54°F 12°C
Sunrise 07:04 AM
Sunset 07:42 PM
Wind N 12 mph19 km/h
Dew Point 35°F2°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 32%
Sun, 13th
Alsen SD Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 64°F 18°C
Lo: 53°F 12°C
Sunrise 07:05 AM
Sunset 07:41 PM
Wind E 11 mph18 km/h
Dew Point 53°F11°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 24% *
Humidity 80%
Mon, 14th
Alsen SD Weather - Monday, Sep 14, 2026 - Fog
Hi: 61°F 16°C
Lo: 53°F 12°C
Sunrise 07:06 AM
Sunset 07:39 PM
Wind NE 5 mph8 km/h
Dew Point 60°F15°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 51% *
Humidity 97%
Tue, 15th
Alsen SD Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 67°F 19°C
Lo: 52°F 11°C
Sunrise 07:07 AM
Sunset 07:37 PM
Wind NW 15 mph24 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 5% *
Humidity 61%
Wed, 16th
Alsen SD Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 71°F 22°C
Lo: 53°F 12°C
Sunrise 07:08 AM
Sunset 07:35 PM
Wind SW 11 mph18 km/h
Dew Point 40°F5°C
uv Index 3
Barometric Pressure 30.36 in1028 mb
POP 4% *
Humidity 51%
Thu, 17th
Alsen SD Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 78°F 26°C
Lo: 53°F 12°C
Sunrise 07:09 AM
Sunset 07:33 PM
Wind S 9 mph14 km/h
Dew Point 38°F3°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 32%
Fri, 18th
Alsen SD Weather - Friday, Sep 18, 2026 - Sunny
Hi: 89°F 31°C
Lo: 60°F 15°C
Sunrise 07:10 AM
Sunset 07:32 PM
Wind SSW 16 mph25 km/h
Dew Point 44°F7°C
uv Index 7
Barometric Pressure 29.83 in1010 mb
POP 5% *
Humidity 28%
Sat, 19th
Alsen SD Weather - Saturday, Sep 19, 2026 - Partly Cloudy
Hi: 72°F 22°C
Lo: 55°F 13°C
Sunrise 07:11 AM
Sunset 07:30 PM
Wind NNE 18 mph29 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 3% *
Humidity 53%
Sun, 20th
Alsen SD Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 67°F 19°C
Lo: 46°F 8°C
Sunrise 07:12 AM
Sunset 07:28 PM
Wind ESE 9 mph14 km/h
Dew Point 28°F-2°C
uv Index 4
Barometric Pressure 30.39 in1029 mb
POP 1% *
Humidity 33%
Mon, 21st
Alsen SD Weather - Monday, Sep 21, 2026 - Sunny
Hi: 82°F 28°C
Lo: 57°F 14°C
Sunrise 07:14 AM
Sunset 07:26 PM
Wind S 19 mph31 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 41%
* POP = Probability of Precipitation. Data for 12:00 PM.