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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

74°F

23°C

Humidity 79%
Wind Speed SE 10 mph
Barometer 29.87 in (1011.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 2 Aug 9:56 pm CDT
Extended Forecast for

5 Miles SW Yankton SD

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South southeast wind around 15 mph, with gusts as high as 26 mph.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 94. Windy, with a south wind 16 to 26 mph, with gusts as high as 37 mph.

    High: 94 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms between 10pm and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 63. Breezy, with a south wind 13 to 20 mph becoming north northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 76. North wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 57. Northeast wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South southeast wind around 5 mph becoming southwest after midnight.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. South wind around 9 mph.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. South southeast wind around 15 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 94. Windy, with a south wind 16 to 26 mph, with gusts as high as 37 mph.
Monday Night
A chance of showers and thunderstorms between 10pm and 4am, then a chance of showers after 4am. Increasing clouds, with a low around 63. Breezy, with a south wind 13 to 20 mph becoming north northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 76. North wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 57. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 79. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. South southeast wind around 5 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 85. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Thursday Night
Mostly clear, with a low around 65. South wind around 9 mph.
Friday
Sunny, with a high near 89. South wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 68. South wind 8 to 11 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 92. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind 10 to 15 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 94. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Yankton SD
 42.84°N 97.45°W (Elev. 1299 ft)
Last Update:
10:35 pm CDT Aug 2, 2026
Forecast Valid:
10pm CDT Aug 2, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation