Mount Prospect Weather Forecast

    • 30
    • 70

    Rain Showers

    • 27
    • 44

    Becoming Sunny

    • 40
    • 49

    Partly Sunny

    • 47
    • 62

    Mostly Cloudy

    • 51
    • 70

    Chance Thunderstorms

    • 49
    • 72

    Rain Showers Likely

    • 43
    • 61

    Chance Rain Showers

Today 26 Mar Northern Cook

Showers likely and a chance of Thunderstorms. Breezy. Temperatures in the upper 40s. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 70 percent.

Tonight 26 Mar Northern Cook

Mostly cloudy. Rain Showers and a chance of Thunderstorms early in the Evening, then a chance of rain Showers late in the evening. Windy. Lows around 30. North Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 80 percent.

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Mount Prospect Temperature Statistics

March Temperature

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

  • Lowest 17 March, 2026

    13.6 °F

  • Average March

    40.9 °F

  • Highest 21 March, 2026

    76.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.5 °F
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