State Line Wayside Park Weather Forecast

    • 74
    • 93

    Slight Chance Thunderstorms

    • 74
    • 97

    Partly Sunny

    • 68
    • 92

    Partly Sunny

    • 67
    • 91

    Mostly Sunny

    • 69
    • 92

    Chance Thunderstorms

    • 66
    • 89

    Chance Thunderstorms

    • 65
    • 86

    Mostly Sunny

Today 25 Jul Deuel

Mostly sunny. Warmer with Highs in the mid 90s. Southeast Winds 5 to 10 Mph. Heat index Values up to 107.

Tonight 25 Jul Deuel

Mostly cloudy. A chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail this evening. Much warmer with Lows in the mid 70s. Southeast Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph after midnight. Chance of rain 50 percent. Heat index Values up to 107 early this evening.

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State Line Wayside Park Temperature Statistics

July Temperature

Madison, Madison-Lac Qui Parle County Airport (13.7 miles)

  • Lowest 23 July, 2026

    48.9 °F

  • Average July

    74.5 °F

  • Highest 17 July, 2026

    95 °F

Climate (2021–2026)

Madison, Madison-Lac Qui Parle County Airport (13.7 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.1 °F
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