Jackson Junction Weather Forecast

    • 70
    • 86

    Chance Thunderstorms

    • 67
    • 88

    Chance Rain Showers

    • 64
    • 85

    Chance Thunderstorms

    • 63
    • 80

    Slight Chance Rain Showers

    • 65
    • 78

    Chance Rain Showers

    • 67
    • 84

    Chance Rain Showers

Today 3 Sep Winneshiek

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values in the mid 90s.

Tonight 3 Sep Winneshiek

Partly cloudy with a slight chance of Thunderstorms. A slight chance of Showers this Evening, then a chance of Showers after midnight. Lows around 70. South Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values in the mid 90s early this evening.

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Jackson Junction Temperature Statistics

September Temperature

Decorah (19.9 miles)

  • Lowest 1 September, 2026

    69.8 °F

  • Average September

    77.3 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

Decorah (19.9 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    56.4 °F
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