On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Heat Wave in Central U.S.

Dangerous heat will continue in the Nation's mid-section on Tuesday. Combined with high humidity, this will lead to Heat Index temperatures ranging from 100 to 110 degrees Fahrenheit across parts of the Plains and mid-South. Heat Advisories and Excessive Heat Warnings are in effect. If you must be outside, slow down and drink plenty of water.
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Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Overcast

70°F

21°C

Humidity 88%
Wind Speed NA
Barometer 29.84 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 28 Jul 8:15 am CDT
Extended Forecast for

7 Miles WSW Yankton SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 9am.  Mostly cloudy, then gradually becoming sunny, with a high near 84. South wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Mostly Sunny

    High: 84 °F

  • Tonight

    Tonight: Mostly clear, with a low around 59. West northwest wind 8 to 11 mph.

    Mostly Clear

    Low: 59 °F

  • Wednesday

    Wednesday: Sunny, with a high near 87. West northwest wind 8 to 16 mph, with gusts as high as 24 mph.

    Sunny

    High: 87 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 61. West northwest wind 6 to 9 mph becoming southwest after midnight.

    Mostly Clear

    Low: 61 °F

  • Thursday

    Thursday: Sunny, with a high near 90. West southwest wind 6 to 8 mph.

    Sunny

    High: 90 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

  • Friday

    Friday: Mostly sunny, with a high near 87.

    Mostly Sunny

    High: 87 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Saturday

    Saturday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 89.

    Slight Chance
    T-storms

    High: 89 °F

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 84. South wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 59. West northwest wind 8 to 11 mph.
Wednesday
Sunny, with a high near 87. West northwest wind 8 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 61. West northwest wind 6 to 9 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 90. West southwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 63.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 64.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83.
  Click Map For Forecast
Point Forecast:
7 Miles WSW Yankton SD
 42.84°N 97.51°W (Elev. 1234 ft)
7:35 am CDT Jul 28, 2015
8am CDT Jul 28, 2015-6pm CDT Aug 3, 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database