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Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Light Rain Fog/Mist

49°F

9°C

Humidity 97%
Wind Speed NW 10 mph
Barometer 29.82 in (1011.4 mb)
Dewpoint 48°F (9°C)
Visibility 2.50 mi
Wind Chill45°F (7°C)
Last update 18 May 1:56 pm CDT
Extended Forecast for

Lesterville SD

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a high near 53. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly before 8pm. Cloudy, with a low around 39. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Breezy.
    Showers
    Likely then
    Cloudy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 58. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 58 °F

    Gradual
    Clearing and
    Breezy

  • Tuesday Night

    Tuesday Night: Patchy frost after 4am. Otherwise, partly cloudy, with a low around 34. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Frost

  • Wednesday

    Wednesday: Areas of frost before 8am. Otherwise, increasing clouds, with a high near 63. South southeast wind 5 to 10 mph.

    High: 63 °F

    Areas Frost
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Southeast wind 10 to 15 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 53. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely, mainly before 8pm. Cloudy, with a low around 39. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 58. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 34. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 63. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 42. Southeast wind 10 to 15 mph.
Thursday
Mostly cloudy, with a high near 65.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 44.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lesterville SD
 43.03°N 97.61°W (Elev. 1365 ft)
Last Update:
1:33 pm CDT May 18, 2026
Forecast Valid:
2pm CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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