Upper Mississippi Wild Life and Fish Refuge Weather Forecast

    • 56
    • 63

    Rain Showers

    • 54
    • 65

    Rain Showers Likely

    • 48
    • 67

    Chance Rain Showers

    • 44
    • 60

    Chance Rain Showers

    • 43
    • 61

    Mostly Cloudy

    • 46
    • 64

    Partly Sunny

Today 18 Sep Winona

Showers Early, then Showers with a chance of Thunderstorms this afternoon. Near steady temperature in the lower 60s. East Winds 5 to 10 Mph. Chance of rain 100 percent.

Tonight 18 Sep Winona

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible in the evening. Lows in the mid 50s. East Winds 10 to 20 Mph. Gusts up to 30 Mph in the evening. Chance of rain 100 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 14 September, 2026

    46.4 °F

  • Average September

    68.8 °F

  • Highest 4 September, 2026

    91.4 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    57.7 °F
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