Des Plaines Dolomite Prairies Land and Water Reserve Weather Forecast

    • 47
    • 65

    Increasing Clouds

    • 47
    • 66

    Partly Sunny

    • 54
    • 68

    Rain Showers

    • 56
    • 75

    Mostly Cloudy

    • 57
    • 78

    Slight Chance Thunderstorms

    • 59
    • 80

    Mostly Cloudy

Today 20 May Southern Will

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the lower 60s. Northeast Winds 10 to 15 Mph.

Tonight 20 May Southern Will

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. Northeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Des Plaines Dolomite Prairies Land and Water Reserve Temperature Statistics

May Temperature

Joliet Regional Airport (9.9 miles)

  • Lowest 2 May, 2026

    29.8 °F

  • Average May

    58.8 °F

  • Highest 17 May, 2026

    86.9 °F

Climate (2021–Present)

Joliet Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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