Yankton, South Dakota Weather
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Weather Forecast for Yankton, South Dakota : Yankton County
Issued: 11:41 am CDT Sep 7, 2025 Latitude: 42.8711088 Longitude: -97.3972813 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Sunny on This Afternoon Cloudy on Tonight Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday Partly Sunny on Friday Partly Sunny on Saturday
High: 75°F Low: 59°F High: 83°F High: 84°F High: 85°F High: 84°F High: 86°F High: 84°F
Low: 61°F Low: 60°F Low: 64°F Low: 66°F Low: 67°F  
Sunny Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
YANKTON - (KYKN)
70°
Clear
as of 1:56 PM CDST
Rel. Humidity: 46%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
8 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
WAYNE - (KLCG)
72°
Mostly Cloudy
as of 2:15 PM CDST
Rel. Humidity: 49%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 17 MPH
150° Southeast
Cloud Level(s): Broken at 4700ft, Broken at 7000ft
Current Conditions at
SIOUX FALLS - (KFSD)
70°
Mostly Clear
as of 1:56 PM CDST
Rel. Humidity: 37%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
8 MPH
170° South
Cloud Level(s): Few at 25000ft
Current Conditions at
LE MARS - (KLRJ)
Clear
as of 2:15 PM CDST
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 75. South southeast wind around 10 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 59. Southeast wind around 10 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 25 mph.
20% chance of thunderstorms Monday Night Monday Night... A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. South wind 5 to 15 mph, with gusts as high as 20 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 84. South wind around 5 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 60. East wind around 5 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 85.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 64.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 84.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 66.
Partly Sunny on Friday Friday... Partly sunny, with a high near 86.
30% chance of thunderstorms Friday Night Friday Night... A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 84.
Current Radar Image


Sun Almanac for Yankton, South Dakota
Sunrise: 07:01 AM
Sunset: 7:54 PM
Civil Sunrise:06:33 AM
Civil Sunset: 8:22 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 8:56 PM
Astro Sunrise: 05:23 AM
Astro Sunset: 9:32 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.