Upper Mississippi Wild Life and Fish Refuge Weather Forecast

    • 43
    • 59

    Mostly Cloudy

    • 41
    • 61

    Partly Sunny

    • 44
    • 64

    Mostly Sunny

    • 57
    • 71

    Chance Thunderstorms

    • 57
    • 72

    Chance Rain Showers

    • 51
    • 73

    Mostly Cloudy

Today 5 Sep Winona

Mostly cloudy this Morning, then becoming partly sunny. A chance of Sprinkles. Highs in the upper 50s. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph.

Tonight 5 Sep Winona

Mostly cloudy with a slight chance of rain Showers in the Evening, then partly cloudy after midnight. Lows in the lower 40s. West Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Mississippi Wild Life and Fish Refuge Temperature Statistics

September Temperature

Winona, Winona Municipal Airport-Max Conrad Field (3.1 miles)

  • Lowest 3 September, 2025

    44.6 °F

  • Average September

    62.8 °F

  • Highest 1 September, 2025

    77 °F

Climate (2020–Present)

Winona, Winona Municipal Airport-Max Conrad Field (3.1 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    57.3 °F
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