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

69°F

21°C

Humidity 84%
Wind Speed S 5 mph
Barometer 30.02 in (1017.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 10:56 pm CDT
Extended Forecast for

Lesterville SD

  • Tonight

    Tonight: Mostly clear, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63. Southeast wind around 5 mph becoming northeast in the evening.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 82. Northeast wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 79.

    High: 79 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 60. South wind around 5 mph.
Thursday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 63. Southwest wind around 5 mph.
Friday
Sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63. Southeast wind around 5 mph becoming northeast in the evening.
Saturday
Sunny, with a high near 82. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly cloudy, with a high near 79.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Monday
Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 84.
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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:
10:33 pm CDT Aug 19, 2026
Forecast Valid:
11pm CDT Aug 19, 2026-6pm CDT Aug 26, 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