Stephan, SD 14 Day Weather - 57346 WeatherWorld.com

Feedback E-mail the Weather

Quick Weather Clicks

Stephan, SD Weather - 14-Day Weather Forecast

Current Conditions

Settings
Stephan SD Weather - Clear - 70°F
Clear
70°F
Updated 6:30 pm
Feels Like 63°F
Humidity 50%
Wind SE 7 mph
Barometer  30.21 in
Dew Point 50°F
Stephan SD Weather - Clear - 21°C
Clear
21°C
Updated 6:30 pm
Feels Like 17°C
Humidity 50%
Wind SE 11 km/h
Barometer  102.3 kPa
Dew Point 10°C
Stephan, SD Weather and Current Conditionsstephan sd weather forecast

Stephan, SD Weather Forecast

Stephan South Dakota WeatherStephan, South Dakota Weather Weather Forecast
14 day API weather forecast for Stephan, South Dakota. Note: The 7-day weather forecast for Stephan, SD is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Stephan, SD Weather Forecast Dated: 630 PM Tue Sep 15 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Tuesday, September 15, 2026

Mid-Morning
Stephan Weather - 2026-09-15 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Stephan Weather - 2026-09-15 - Afternoon - Sunny
69°F 20°C
Sunny
Early-Evening
Stephan Weather - 2026-09-15 - Evening - Cloudy
69°F 20°C
Cloudy
Pleasant near 69°F 20°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the NW to the E at 4 mph 6 km/h.

Wednesday, September 16, 2026

Mid-Morning
Stephan Weather - 2026-09-16 - Morning - Overcast
54°F 12°C
Overcast
Mid-Afternoon
Stephan Weather - 2026-09-16 - Afternoon - Overcast
66°F 19°C
Overcast
Early-Evening
Stephan Weather - 2026-09-16 - Evening - Overcast
68°F 20°C
Overcast
Mildly cool near 66°F 19°C, overcast throughout the day, with increasing humidity and barometric pressure falling. Winds blowing from the SSE at 18 mph 30 km/h. Gusts up to 20 mph 32 km/h.

Thursday, September 17, 2026

Mid-Morning
Stephan Weather - 2026-09-17 - Morning - Scattered Showers
61°F 16°C
Scattered Showers
Mid-Afternoon
Stephan Weather - 2026-09-17 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Stephan Weather - 2026-09-17 - Evening - Light Showers
65°F 19°C
Light Showers
Enjoyable around 73°F 23°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the E to the ENE at 15 mph 23 km/h. Gusts up to 27 mph 43 km/h.

Friday, September 18, 2026

Mid-Morning
Stephan Weather - 2026-09-18 - Morning - Fog
62°F 17°C
Fog
Mid-Afternoon
Stephan Weather - 2026-09-18 - Afternoon - Scattered Showers
58°F 15°C
Scattered Showers
Early-Evening
Stephan Weather - 2026-09-18 - Evening - Scattered Showers
57°F 14°C
Scattered Showers
Cool with a high near 58°F 15°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the NE to the NNE at 9 mph 15 km/h.

Saturday, September 19, 2026

Mid-Morning
Stephan Weather - 2026-09-19 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
Stephan Weather - 2026-09-19 - Afternoon - Scattered Showers
55°F 13°C
Scattered Showers
Early-Evening
Stephan Weather - 2026-09-19 - Evening - Overcast
55°F 13°C
Overcast
Brisk around 55°F 13°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the NNE to the NE at 9 mph 14 km/h.

Sunday, September 20, 2026

Mid-Morning
Stephan Weather - 2026-09-20 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
Stephan Weather - 2026-09-20 - Afternoon - Light Showers
54°F 12°C
Light Showers
Early-Evening
Stephan Weather - 2026-09-20 - Evening - Scattered Showers
54°F 12°C
Scattered Showers
Cool and brisk at 54°F 12°C, locally heavy downpours at times, with steady humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Stephan Weather - 2026-09-21 - Morning - Light Showers
53°F 11°C
Light Showers
Mid-Afternoon
Stephan Weather - 2026-09-21 - Afternoon - Overcast
57°F 14°C
Overcast
Early-Evening
Stephan Weather - 2026-09-21 - Evening - Scattered Showers
54°F 12°C
Scattered Showers
Chilly near 57°F 14°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Tuesday, September 22, 2026

Mid-Morning
Stephan Weather - 2026-09-22 - Morning - Cloudy
52°F 11°C
Cloudy
Mid-Afternoon
Stephan Weather - 2026-09-22 - Afternoon - Scattered Showers
63°F 17°C
Scattered Showers
Early-Evening
Stephan Weather - 2026-09-22 - Evening - Overcast
64°F 18°C
Overcast
Cool with a high near 63°F 17°C, scattered downpours possible, with steady humidity and steady pressure. Winds turning from the ENE to the E at 8 mph 12 km/h.

Wednesday, September 23, 2026

Mid-Morning
Stephan Weather - 2026-09-23 - Morning - Light Showers
55°F 13°C
Light Showers
Mid-Afternoon
Stephan Weather - 2026-09-23 - Afternoon - Light Showers
53°F 12°C
Light Showers
Early-Evening
Stephan Weather - 2026-09-23 - Evening - Light Showers
54°F 13°C
Light Showers
Brisk around 53°F 12°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds switching from the WSW to the NW at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.

Thursday, September 24, 2026

Mid-Morning
Stephan Weather - 2026-09-24 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Stephan Weather - 2026-09-24 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
Stephan Weather - 2026-09-24 - Evening - Cloudy
65°F 19°C
Cloudy
Mildly cool near 63°F 17°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds moving from the NW to the SSW at 4 mph 7 km/h.

Friday, September 25, 2026

Mid-Morning
Stephan Weather - 2026-09-25 - Morning - Sunny
56°F 14°C
Sunny
Mid-Afternoon
Stephan Weather - 2026-09-25 - Afternoon - Partly Cloudy
63°F 17°C
Partly Cloudy
Early-Evening
Stephan Weather - 2026-09-25 - Evening - Overcast
58°F 14°C
Overcast
Comfortable at 63°F 17°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure rising. Winds swinging from the ESE to the SW at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.

Saturday, September 26, 2026

Mid-Morning
Stephan Weather - 2026-09-26 - Morning - Light Showers
44°F 6°C
Light Showers
Mid-Afternoon
Stephan Weather - 2026-09-26 - Afternoon - Scattered Showers
50°F 10°C
Scattered Showers
Early-Evening
Stephan Weather - 2026-09-26 - Evening - Scattered Showers
55°F 13°C
Scattered Showers
Crisp with a high near 50°F 10°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds shifting from the SSW to the SW at 3 mph 4 km/h.

Sunday, September 27, 2026

Mid-Morning
Stephan Weather - 2026-09-27 - Morning - Sunny
48°F 9°C
Sunny
Mid-Afternoon
Stephan Weather - 2026-09-27 - Afternoon - Sunny
56°F 13°C
Sunny
Early-Evening
Stephan Weather - 2026-09-27 - Evening - Sunny
58°F 15°C
Sunny
Brisk around 56°F 13°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Monday, September 28, 2026

Mid-Morning
Stephan Weather - 2026-09-28 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Stephan Weather - 2026-09-28 - Afternoon - Cloudy
63°F 17°C
Cloudy
Early-Evening
Stephan Weather - 2026-09-28 - Evening - Sunny
64°F 18°C
Sunny
Mildly cool near 63°F 17°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SSE to the SE at 12 mph 19 km/h. Gusts up to 23 mph 37 km/h.

Trending Headlines

Stephan, SD Weather Radar Map

Use the map search tool if you want to place a location marker on the radar map...

Stephan, SD 7 Day Weather

National Two Day Weather Forecast


E-mail the Stephan Weather Forecast

Voice your opinion or tell us about page issues...

Weather by the Numbers

Tue, 15th
Stephan SD Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 70°F 21°C
Lo: 53°F 12°C
Sunrise 07:17 AM
Sunset 07:48 PM
Wind NW 9 mph14 km/h
Dew Point 38°F3°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 39%
Wed, 16th
Stephan SD Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 70°F 21°C
Lo: 54°F 12°C
Sunrise 07:18 AM
Sunset 07:46 PM
Wind SSE 17 mph28 km/h
Dew Point 42°F5°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 10% *
Humidity 43%
Thu, 17th
Stephan SD Weather - Thursday, Sep 17, 2026 - Patchy Rain Nearby
Hi: 75°F 24°C
Lo: 60°F 15°C
Sunrise 07:20 AM
Sunset 07:45 PM
Wind E 15 mph23 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 23% *
Humidity 69%
Fri, 18th
Stephan SD Weather - Friday, Sep 18, 2026 - Patchy Rain Nearby
Hi: 64°F 18°C
Lo: 55°F 13°C
Sunrise 07:21 AM
Sunset 07:43 PM
Wind NW 4 mph7 km/h
Dew Point 62°F17°C
uv Index 1
Barometric Pressure 29.91 in1013 mb
POP 35% *
Humidity 92%
Sat, 19th
Stephan SD Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 56°F 13°C
Lo: 52°F 11°C
Sunrise 07:22 AM
Sunset 07:41 PM
Wind NE 9 mph14 km/h
Dew Point 51°F10°C
uv Index 1
Barometric Pressure 30 in1016 mb
POP 31% *
Humidity 91%
Sun, 20th
Stephan SD Weather - Sunday, Sep 20, 2026 - Patchy Rain Nearby
Hi: 54°F 12°C
Lo: 52°F 11°C
Sunrise 07:23 AM
Sunset 07:39 PM
Wind NE 4 mph6 km/h
Dew Point 51°F10°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 47% *
Humidity 92%
Mon, 21st
Stephan SD Weather - Monday, Sep 21, 2026 - Mist
Hi: 59°F 15°C
Lo: 52°F 11°C
Sunrise 07:24 AM
Sunset 07:37 PM
Wind NW 6 mph10 km/h
Dew Point 51°F10°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 31% *
Humidity 90%
Tue, 22nd
Stephan SD Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 64°F 18°C
Lo: 50°F 10°C
Sunrise 07:25 AM
Sunset 07:35 PM
Wind ESE 6 mph9 km/h
Dew Point 48°F9°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 18% *
Humidity 70%
Wed, 23rd
Stephan SD Weather - Wednesday, Sep 23, 2026 - Light Rain Shower
Hi: 62°F 17°C
Lo: 53°F 12°C
Sunrise 07:27 AM
Sunset 07:33 PM
Wind NNW 10 mph15 km/h
Dew Point 51°F11°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 70% *
Humidity 93%
Thu, 24th
Stephan SD Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 67°F 20°C
Lo: 52°F 11°C
Sunrise 07:28 AM
Sunset 07:32 PM
Wind WNW 8 mph13 km/h
Dew Point 40°F5°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 8% *
Humidity 54%
Fri, 25th
Stephan SD Weather - Friday, Sep 25, 2026 - Sunny
Hi: 63°F 17°C
Lo: 52°F 11°C
Sunrise 07:29 AM
Sunset 07:30 PM
Wind NNE 15 mph24 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 3% *
Humidity 49%
Sat, 26th
Stephan SD Weather - Saturday, Sep 26, 2026 - Light Rain Shower
Hi: 57°F 14°C
Lo: 43°F 6°C
Sunrise 07:30 AM
Sunset 07:28 PM
Wind NW 9 mph14 km/h
Dew Point 37°F3°C
uv Index 2
Barometric Pressure 30.39 in1029 mb
POP 37% *
Humidity 70%
Sun, 27th
Stephan SD Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 60°F 16°C
Lo: 48°F 9°C
Sunrise 07:31 AM
Sunset 07:26 PM
Wind SW 6 mph9 km/h
Dew Point 32°F-0°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 2% *
Humidity 46%
Mon, 28th
Stephan SD Weather - Monday, Sep 28, 2026 - Sunny
Hi: 67°F 20°C
Lo: 49°F 9°C
Sunrise 07:32 AM
Sunset 07:24 PM
Wind S 16 mph26 km/h
Dew Point 38°F3°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 5% *
Humidity 51%
* POP = Probability of Precipitation. Data for 12:00 PM.