Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

68°F

20°C

Humidity 88%
Wind Speed NW 7 mph
Barometer 29.91 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 24 Jul 5:35 am CDT
Extended Forecast for

5 Miles SW Yankton SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 85. North northwest wind 7 to 10 mph.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 85 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 62. West northwest wind 3 to 6 mph.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 62 °F

  • Monday

    Monday: Sunny, with a high near 89. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon.

    Sunny

    High: 89 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 67. South southeast wind 6 to 9 mph.

    Clear then
    Slight Chance
    T-storms

    Low: 67 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89. South southeast wind 7 to 14 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms likely. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 68 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67.

    Chance
    T-storms

    Low: 67 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Partly sunny, with a high near 83.

    Chance
    T-storms

    High: 83 °F

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 85. North northwest wind 7 to 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 62. West northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 89. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. South southeast wind 6 to 9 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southeast wind 7 to 14 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
5 Miles SW Yankton SD
 42.86°N 97.48°W (Elev. 1201 ft)
4:35 am CDT Jul 24, 2016
5am CDT Jul 24, 2016-6pm CDT Jul 30, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database