Mount Prospect Weather Forecast

    • 22
    • 23

    Increasing Clouds

    • 35
    • 41

    Slight Chance Rain

    • 37
    • 50

    Mostly Cloudy

    • 38
    • 56

    Mostly Cloudy

    • 41
    • 61

    Partly Sunny

    • 31
    • 55

    Mostly Cloudy

Today 17 Mar Northern Cook

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 20s. Northwest Winds 10 to 15 Mph, becoming west in the afternoon.

Tonight 17 Mar Northern Cook

A chance of snow late in the evening. Snow after midnight. Total snow accumulation around an inch. Lows in the lower 20s. South Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

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Mount Prospect Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    41.7 °F

  • Highest 9 March, 2026

    72 °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

    61.6 °F
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