Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Overcast

67°F

19°C

Humidity 97%
Wind Speed W 6 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 16 Jul 1:56 am CDT
Extended Forecast for

4 Miles SW Yankton SD

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms after 3am.  Cloudy, with a low around 66. Northwest wind around 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms, mainly between 11am and 1pm.  Cloudy, with a high near 73. North wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 73 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. North wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 74. North wind around 7 mph becoming east in the afternoon.

    High: 74 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. East southeast wind 6 to 8 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 82. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. South southeast wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers after 1pm.  Partly sunny, with a high near 86. Northeast wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers, with thunderstorms also possible after 1am.  Mostly cloudy, with a low around 65. Northeast wind 6 to 8 mph.

    Low: 65 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms after 3am. Cloudy, with a low around 66. Northwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms, mainly between 11am and 1pm. Cloudy, with a high near 73. North wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 56. North wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 74. North wind around 7 mph becoming east in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. East southeast wind 6 to 8 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind 6 to 10 mph, with gusts as high as 16 mph.
Saturday
A slight chance of showers after 1pm. Partly sunny, with a high near 86. Northeast wind 6 to 9 mph, with gusts as high as 16 mph.
Saturday Night
A slight chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 65. Northeast wind 6 to 8 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. East southeast wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East southeast wind 7 to 10 mph, with gusts as high as 16 mph.
Monday
Mostly sunny, with a high near 89. Southeast wind 6 to 10 mph, with gusts as high as 17 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. South southeast wind 6 to 9 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 92. South wind 6 to 10 mph, with gusts as high as 17 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Yankton SD
 42.84°N 97.45°W (Elev. 1299 ft)
1:35 am CDT Jul 16, 2025
2am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
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Additional Resources

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