Mount Prospect Weather Forecast

    • 22
    • 34

    Chance Snow

    • 18
    • 30

    Chance Snow

    • 20
    • 30

    Partly Sunny

    • 30
    • 40

    Slight Chance Snow

    • 26
    • 47

    Chance Rain

    • 27
    • 40

    Partly Sunny

Today 21 Feb Northern Cook

Mostly cloudy. Highs in the mid 30s. Northwest Winds 10 to 15 Mph.

Tonight 21 Feb Northern Cook

Cloudy. A slight chance of snow early in the Evening, then a chance of snow in the late evening and overnight. Little or no snow accumulation. Lows in the lower 20s. Northwest Winds 10 to 15 Mph. Gusts up to 25 Mph after midnight. Chance of precipitation 50 percent.

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Mount Prospect Temperature Statistics

February Temperature

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

  • Lowest 1 February, 2026

    1.7 °F

  • Average February

    31.5 °F

  • Highest 16 February, 2026

    65.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    61.6 °F
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