Upper Mississippi Waterfowl Area Weather Forecast

    • 55
    • 75

    Rain Showers Likely

    • 65
    • 82

    Rain Showers Likely

    • 64
    • 84

    Rain Showers Likely

    • 70
    • 90

    Mostly Sunny

    • 69
    • 89

    Rain Showers Likely

    • 62
    • 82

    Rain Showers Likely

Today 14 May St. Charles

Sunny. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 14 May St. Charles

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the mid 50s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Mississippi Waterfowl Area Temperature Statistics

May Temperature

St. Louis Regional Airport (9.3 miles)

  • Lowest 7 May, 2026

    39.6 °F

  • Average May

    57.2 °F

  • Highest 12 May, 2026

    80.6 °F

Climate (2021–Present)

St. Louis Regional Airport (9.3 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    66.7 °F
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