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

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

76°F

24°C

Humidity 27%
Wind Speed S 9 mph
Barometer 29.70 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 16 Apr 11:56 am CDT
Extended Forecast for

Lesterville SD

Red Flag Warning April 16, 12:35pm until April 16, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 16, 12:35pm until April 16, 08:00pm

    NOW until 8:00pm Thu

    Red Flag Warning

  • This Afternoon

    High: 85 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Breezy, with a south wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph.

    Low: 43 °F

    Increasing
    Clouds and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 54. Windy, with a north northwest wind 20 to 25 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 54 °F

    Mostly Cloudy
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 27 °F

    Decreasing
    Clouds and
    Blustery

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Blustery, with a northwest wind 15 to 20 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 28 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 43. Breezy, with a south wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph.
Friday
Mostly cloudy, with a high near 54. Windy, with a north northwest wind 20 to 25 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Saturday
Sunny, with a high near 52. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 28. Blustery, with a northwest wind 15 to 20 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 78. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lesterville SD
 43.03°N 97.58°W (Elev. 1362 ft)
Last Update:
11:53 am CDT Apr 16, 2026
Forecast Valid:
12pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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