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

Widespread Heavy Rainfall to Continue Flooding Threat For South-Central U.S. This Week

Multiple days of heavy rainfall will likely continue to cause considerable flash and urban flooding impacts across portions of eastern Texas, Oklahoma, western Arkansas, and extreme western Louisiana this week. New and renewed widespread minor to isolated major river flooding is expected, and will continue into next week on slow-to-drain rivers. Read More >

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed E 8 mph
Barometer 30.00 in (1016.9 mb)
Dewpoint 59°F (15°C)
Visibility 1.25 mi
Last update 18 May 7:56 am CDT
Extended Forecast for

Yankton SD

  • Today

    Today: A slight chance of sprinkles between noon and 3pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 73. East southeast wind 10 to 15 mph. Chance of precipitation is 20%.

    Cloudy then
    Slight Chance
    Showers

    High: 73 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Southeast wind 5 to 10 mph.

    Mostly Cloudy

    Low: 57 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 78. South southeast wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Showers
    Likely

    High: 78 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 1am. Mostly cloudy, with a low around 61. South southeast wind 10 to 15 mph. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    T-storms

    Low: 61 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 81. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    Chance
    T-storms and
    Breezy

    High: 81 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

    Low: 64 °F

  • Friday

    Friday: Mostly sunny, with a high near 86. Breezy.

    Mostly Sunny
    and Breezy

    High: 86 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 66. Breezy.

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

    Low: 66 °F

  • Saturday

    Saturday: A chance of showers after 1pm. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 40%.

    Breezy.
    Partly Sunny
    then Chance
    Showers

    High: 86 °F

Detailed Forecast

Today
A slight chance of sprinkles between noon and 3pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 73. East southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 57. Southeast wind 5 to 10 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 78. South southeast wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 1am. Mostly cloudy, with a low around 61. South southeast wind 10 to 15 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 86. Breezy.
Friday Night
Partly cloudy, with a low around 66. Breezy.
Saturday
A chance of showers after 1pm. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Yankton SD
 42.89°N 97.4°W (Elev. 1237 ft)
Last Update:
6:59 am CDT May 18, 2021
Forecast Valid:
8am CDT May 18, 2021-6pm CDT May 24, 2021
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation