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

85°F

29°C

Humidity 13%
Wind Speed Calm
Barometer 29.84 in (1011.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Apr 3:56 pm CDT
Extended Forecast for

Lesterville SD

Red Flag Warning April 22, 12:00pm until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Mostly clear, with a low around 55. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 92 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 61 °F

    Breezy.
    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 79. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 79 °F

    Breezy.
    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Sunny, with a high near 63. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 55. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 92. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Thursday
A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 79. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 41. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 63. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 41.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 56. Breezy.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
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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:
1:33 pm CDT Apr 21, 2026
Forecast Valid:
4pm CDT Apr 21, 2026-6pm CDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation