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Interior SD Weather - Clear - 84°F
Clear
84°F
Updated 9:41 am
Feels Like 74°F
Humidity 45%
Wind S 10 mph
Barometer  29.97 in
Dew Point 61°F
Interior SD Weather - Clear - 29°C
Clear
29°C
Updated 9:41 am
Feels Like 23°C
Humidity 45%
Wind S 16 km/h
Barometer  101.5 kPa
Dew Point 16°C
Interior, SD Weather and Current Conditionsinterior sd weather forecast

Interior, SD Weather Forecast

Interior South Dakota WeatherInterior, South Dakota Weather Weather Forecast
14 day API Interior, SD weather forecast. Note. Our 7-day weather forecast for Interior, South Dakota is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Interior, SD Weather Forecast Dated: 941 AM Sun Sep 06 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Sunday, September 6, 2026

Mid-Morning
Interior Weather - 2026-09-06 - Morning - Sunny
76°F 24°C
Sunny
Mid-Afternoon
Interior Weather - 2026-09-06 - Afternoon - Sunny
97°F 36°C
Sunny
Early-Evening
Interior Weather - 2026-09-06 - Evening - Nearby Thunderstorms
87°F 31°C
Nearby Thunderstorms
Very hot with temperatures reaching 97°F 36°C, periods of heavy thunderstorms, with lower humidity and barometric pressure falling. Winds out of the SSE at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.

Monday, September 7, 2026

Mid-Morning
Interior Weather - 2026-09-07 - Morning - Light Showers
74°F 24°C
Light Showers
Mid-Afternoon
Interior Weather - 2026-09-07 - Afternoon - Partly Cloudy
86°F 30°C
Partly Cloudy
Early-Evening
Interior Weather - 2026-09-07 - Evening - Cloudy
90°F 32°C
Cloudy
Balmy with temperatures reaching 86°F 30°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds switching from the SW to the WSW at 14 mph 22 km/h. Gusts up to 26 mph 42 km/h.

Tuesday, September 8, 2026

Mid-Morning
Interior Weather - 2026-09-08 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Interior Weather - 2026-09-08 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Interior Weather - 2026-09-08 - Evening - Sunny
79°F 26°C
Sunny
Enjoyable around 77°F 25°C, sunny throughout the day, with lower humidity and steady pressure. Winds decreasing from NW 21 mph 35 km/h to ENE 7 mph 12 km/h.

Wednesday, September 9, 2026

Mid-Morning
Interior Weather - 2026-09-09 - Morning - Partly Cloudy
62°F 17°C
Partly Cloudy
Mid-Afternoon
Interior Weather - 2026-09-09 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Interior Weather - 2026-09-09 - Evening - Overcast
80°F 27°C
Overcast
Mild temperatures up to 79°F 26°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds picking up from ESE at 1 mph 1 km/h to E at 13 mph 20 km/h.

Thursday, September 10, 2026

Mid-Morning
Interior Weather - 2026-09-10 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Interior Weather - 2026-09-10 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Interior Weather - 2026-09-10 - Evening - Sunny
87°F 30°C
Sunny
Very warm with a high of 86°F 30°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the N to the S at 9 mph 14 km/h.

Friday, September 11, 2026

Mid-Morning
Interior Weather - 2026-09-11 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Interior Weather - 2026-09-11 - Afternoon - Cloudy
85°F 29°C
Cloudy
Early-Evening
Interior Weather - 2026-09-11 - Evening - Sunny
69°F 21°C
Sunny
Warm and summery near 85°F 29°C, overcast through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure. Winds increasing from the WNW at 9 mph 14 km/h to N at 22 mph 34 km/h. Gusts up to 32 mph 51 km/h.

Saturday, September 12, 2026

Mid-Morning
Interior Weather - 2026-09-12 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Interior Weather - 2026-09-12 - Afternoon - Overcast
51°F 11°C
Overcast
Early-Evening
Interior Weather - 2026-09-12 - Evening - Scattered Showers
48°F 9°C
Scattered Showers
Chilly near 51°F 11°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure rising. Winds switching from the NE to the NNE at 13 mph 21 km/h.

Sunday, September 13, 2026

Mid-Morning
Interior Weather - 2026-09-13 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Interior Weather - 2026-09-13 - Afternoon - Sunny
59°F 15°C
Sunny
Early-Evening
Interior Weather - 2026-09-13 - Evening - Sunny
61°F 17°C
Sunny
Cool with a high near 59°F 15°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the N to the ESE at 7 mph 11 km/h.

Monday, September 14, 2026

Mid-Morning
Interior Weather - 2026-09-14 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Interior Weather - 2026-09-14 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Interior Weather - 2026-09-14 - Evening - Sunny
71°F 22°C
Sunny
Mild temperatures up to 73°F 23°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the SE at 10 mph 16 km/h.

Tuesday, September 15, 2026

Mid-Morning
Interior Weather - 2026-09-15 - Morning - Partly Cloudy
66°F 19°C
Partly Cloudy
Mid-Afternoon
Interior Weather - 2026-09-15 - Afternoon - Overcast
91°F 33°C
Overcast
Early-Evening
Interior Weather - 2026-09-15 - Evening - Overcast
94°F 35°C
Overcast
Very hot with a high of 91°F 33°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds easing from SSW 23 mph 36 km/h to S 14 mph 22 km/h. Gusts up to 23 mph 37 km/h.

Wednesday, September 16, 2026

Mid-Morning
Interior Weather - 2026-09-16 - Morning - Overcast
69°F 20°C
Overcast
Mid-Afternoon
Interior Weather - 2026-09-16 - Afternoon - Overcast
83°F 28°C
Overcast
Early-Evening
Interior Weather - 2026-09-16 - Evening - Overcast
84°F 29°C
Overcast
Warm and summery near 83°F 28°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds turning from the NNW to the E at 7 mph 12 km/h.

Thursday, September 17, 2026

Mid-Morning
Interior Weather - 2026-09-17 - Morning - Partly Cloudy
75°F 24°C
Partly Cloudy
Mid-Afternoon
Interior Weather - 2026-09-17 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Interior Weather - 2026-09-17 - Evening - Sunny
88°F 31°C
Sunny
Balmy with temperatures reaching 89°F 32°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the WSW to the NE at 10 mph 17 km/h.

Friday, September 18, 2026

Mid-Morning
Interior Weather - 2026-09-18 - Morning - Light Showers
67°F 20°C
Light Showers
Mid-Afternoon
Interior Weather - 2026-09-18 - Afternoon - Scattered Showers
75°F 24°C
Scattered Showers
Early-Evening
Interior Weather - 2026-09-18 - Evening - Nearby Thunderstorms
79°F 26°C
Nearby Thunderstorms
Enjoyable around 75°F 24°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds moving from the ESE to the ENE at 8 mph 12 km/h.

Saturday, September 19, 2026

Mid-Morning
Interior Weather - 2026-09-19 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Interior Weather - 2026-09-19 - Afternoon - Sunny
51°F 11°C
Sunny
Early-Evening
Interior Weather - 2026-09-19 - Evening - Sunny
49°F 10°C
Sunny
Cool and brisk at 51°F 11°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure rising. Winds tapering down from W 30 mph 48 km/h to NNW 16 mph 26 km/h. Gusts up to 24 mph 38 km/h.

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Weather by the Numbers

Sun, 6th
Interior SD Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 97°F 36°C
Lo: 71°F 22°C
Sunrise 06:17 AM
Sunset 07:14 PM
Wind SSE 11 mph18 km/h
Dew Point 61°F16°C
uv Index 7
Barometric Pressure 29.8 in1009 mb
POP 1% *
Humidity 36%
Mon, 7th
Interior SD Weather - Monday, Sep 7, 2026 - Overcast
Hi: 92°F 33°C
Lo: 72°F 22°C
Sunrise 06:18 AM
Sunset 07:12 PM
Wind WNW 4 mph6 km/h
Dew Point 47°F8°C
uv Index 7
Barometric Pressure 29.62 in1003 mb
POP 9% *
Humidity 29%
Tue, 8th
Interior SD Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 85°F 30°C
Lo: 63°F 17°C
Sunrise 06:19 AM
Sunset 07:11 PM
Wind NW 15 mph24 km/h
Dew Point 35°F2°C
uv Index 7
Barometric Pressure 29.97 in1015 mb
POP 0% *
Humidity 25%
Wed, 9th
Interior SD Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 84°F 29°C
Lo: 59°F 15°C
Sunrise 06:20 AM
Sunset 07:09 PM
Wind SE 6 mph10 km/h
Dew Point 37°F3°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 9% *
Humidity 29%
Thu, 10th
Interior SD Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 91°F 33°C
Lo: 66°F 19°C
Sunrise 06:21 AM
Sunset 07:07 PM
Wind SW 9 mph15 km/h
Dew Point 27°F-3°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 0% *
Humidity 14%
Fri, 11th
Interior SD Weather - Friday, Sep 11, 2026 - Partly Cloudy
Hi: 85°F 29°C
Lo: 60°F 16°C
Sunrise 06:22 AM
Sunset 07:05 PM
Wind N 10 mph15 km/h
Dew Point 24°F-5°C
uv Index 7
Barometric Pressure 29.56 in1001 mb
POP 2% *
Humidity 12%
Sat, 12th
Interior SD Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 59°F 15°C
Lo: 46°F 8°C
Sunrise 06:23 AM
Sunset 07:03 PM
Wind NE 13 mph22 km/h
Dew Point 38°F3°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 14% *
Humidity 57%
Sun, 13th
Interior SD Weather - Sunday, Sep 13, 2026 - Partly Cloudy
Hi: 64°F 18°C
Lo: 47°F 8°C
Sunrise 06:25 AM
Sunset 07:01 PM
Wind NNE 9 mph15 km/h
Dew Point 27°F-3°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 3% *
Humidity 33%
Mon, 14th
Interior SD Weather - Monday, Sep 14, 2026 - Sunny
Hi: 73°F 23°C
Lo: 56°F 14°C
Sunrise 06:26 AM
Sunset 06:59 PM
Wind S 13 mph21 km/h
Dew Point 25°F-4°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 0% *
Humidity 21%
Tue, 15th
Interior SD Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 97°F 36°C
Lo: 63°F 17°C
Sunrise 06:27 AM
Sunset 06:58 PM
Wind SW 18 mph28 km/h
Dew Point 50°F10°C
uv Index 7
Barometric Pressure 29.71 in1006 mb
POP 1% *
Humidity 33%
Wed, 16th
Interior SD Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 89°F 32°C
Lo: 69°F 20°C
Sunrise 06:28 AM
Sunset 06:56 PM
Wind NNE 6 mph10 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 29.77 in1008 mb
POP 10% *
Humidity 42%
Thu, 17th
Interior SD Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 89°F 32°C
Lo: 75°F 24°C
Sunrise 06:29 AM
Sunset 06:54 PM
Wind W 15 mph24 km/h
Dew Point 45°F7°C
uv Index 7
Barometric Pressure 29.71 in1006 mb
POP 1% *
Humidity 25%
Fri, 18th
Interior SD Weather - Friday, Sep 18, 2026 - Light Rain Shower
Hi: 79°F 26°C
Lo: 67°F 20°C
Sunrise 06:30 AM
Sunset 06:52 PM
Wind SE 7 mph11 km/h
Dew Point 51°F11°C
uv Index 5
Barometric Pressure 29.68 in1005 mb
POP 36% *
Humidity 48%
Sat, 19th
Interior SD Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 68°F 20°C
Lo: 46°F 8°C
Sunrise 06:31 AM
Sunset 06:50 PM
Wind WNW 36 mph58 km/h
Dew Point 31°F-1°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 2% *
Humidity 44%
* POP = Probability of Precipitation. Data for 12:00 PM.