Sparta Weather Forecast

    • 32
    • 56

    Decreasing Clouds

    • 31
    • 57

    Partly Sunny

    • 45
    • 68

    Mostly Sunny

    • 43
    • 70

    Partly Sunny

    • 41
    • 73

    Partly Sunny

    • 39
    • 66

    Slight Chance Thunderstorms

Today 30 Apr Knox

Partly sunny. A slight chance of Showers this afternoon. Highs in the mid 50s. North Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 30 Apr Knox

Partly cloudy. Widespread frost after midnight. Lows in the lower 30s. North Winds 10 to 15 Mph, becoming west around 5 Mph after midnight.

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Sparta Temperature Statistics

April Temperature

Yankton, Chan Gurney Municipal Airport (34.8 miles)

  • Lowest 10 April, 2026

    23 °F

  • Average April

    47 °F

  • Highest 16 April, 2026

    87.1 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (34.8 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.8 °F
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