Jackson Junction Weather Forecast

    • 62
    • 82

    Chance Thunderstorms

    • 61
    • 80

    Chance Thunderstorms

    • 59
    • 74

    Chance Thunderstorms

    • 60
    • 76

    Chance Thunderstorms

    • 60
    • 75

    Chance Rain Showers

    • 56
    • 76

    Chance Thunderstorms

Today 17 Sep Winneshiek

Partly cloudy after Midnight, then becoming partly sunny. A slight chance of Showers and Thunderstorms after midnight. A chance of Showers and Thunderstorms this afternoon. Humid with Highs in the lower 80s. South Winds around 5 Mph. Chance of rain 40 percent.

Tonight 17 Sep Winneshiek

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms. Humid with Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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Jackson Junction Temperature Statistics

September Temperature

Decorah (19.9 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    61.8 °F

  • Highest 14 September, 2025

    86 °F

Climate (2020–Present)

Decorah (19.9 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    56.4 °F
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