Mount Prospect Weather Forecast

    • 47
    • 56

    Rain Showers

    • 48
    • 55

    Rain

    • 44
    • 56

    Rain Showers Likely

    • 43
    • 59

    Partly Sunny

    • 45
    • 63

    Partly Sunny

    • 46
    • 64

    Partly Sunny

Today 19 May Northern Cook

Mostly cloudy. Highs in the upper 50s Inland, but only in the lower 50s near the lake. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 19 May Northern Cook

Mostly cloudy. A slight chance of Showers late in the evening. Showers after midnight. A slight chance of Thunderstorms late. Breezy with Lows in the mid 40s. East Winds 15 to 20 Mph with Gusts up to 25 Mph, becoming 15 to 25 Mph with Gusts up to 35 Mph after midnight. Chance of precipitation 90 percent.

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Mount Prospect Temperature Statistics

May Temperature

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

  • Lowest 9 May, 2025

    35.7 °F

  • Average May

    58.8 °F

  • Highest 15 May, 2025

    93.7 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    61.6 °F
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