National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Overcast and Breezy

49°F

9°C

Humidity 93%
Wind Speed W 22 G 28 mph
Barometer 29.71 in (1007.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 May 5:56 pm CDT
Extended Forecast for

Yankton SD

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 40. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 57. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 57 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 64. North northwest wind around 10 mph.

    High: 64 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. North wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 61. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly before 9pm. Mostly cloudy, with a low around 40. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 57. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 37. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 64. North northwest wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 41. North wind around 5 mph becoming calm in the evening.
Friday
Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 61. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Saturday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 45.
Memorial Day
A 30 percent chance of showers. Partly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yankton SD
 42.86°N 97.4°W (Elev. 1171 ft)
Last Update:
5:31 pm CDT May 20, 2025
Forecast Valid:
6pm CDT May 20, 2025-6pm CDT May 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation