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

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

A Few Clouds

61°F

16°C

Humidity 72%
Wind Speed NW 10 mph
Barometer 30.20 in (1023.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 3 Oct 9:56 pm CDT
Extended Forecast for

Saint Helena NE

  • Tonight

    Tonight: Mostly clear, with a low around 48. West northwest wind around 8 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72. North northwest wind around 6 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 74 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 58. South wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. South southwest wind around 8 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Light north northwest wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West northwest wind around 8 mph.
Sunday
Sunny, with a high near 72. North northwest wind around 6 mph.
Sunday Night
Mostly clear, with a low around 48. Calm wind becoming south southeast around 5 mph after midnight.
Monday
Sunny, with a high near 74. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Clear, with a low around 58. South wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 79. South southwest wind around 8 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 57. Light north northwest wind.
Wednesday
Mostly sunny, with a high near 72. Calm wind becoming north 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. Calm wind becoming south southeast around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 72. South wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 57. South southeast wind 3 to 5 mph.
Friday
Sunny, with a high near 73. Light and variable wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
Mostly clear, with a low around 62. South wind 10 to 17 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 77. Breezy, with a south wind 18 to 22 mph, with gusts as high as 34 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena NE
 42.82°N 97.25°W (Elev. 1184 ft)
Last Update:
10:46 pm CDT Oct 3, 2026
Forecast Valid:
11pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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