Prospect Heights Weather Forecast

    • 63
    • 81

    Rain Showers Likely

    • 59
    • 74

    Rain Showers

    • 50
    • 71

    Chance Rain Showers

    • 54
    • 75

    Rain Showers

    • 36
    • 67

    Chance Rain Showers

    • 35
    • 51

    Mostly Sunny

    • 40
    • 55

    Mostly Sunny

Today 14 Apr Northern Cook

Mostly cloudy. A chance of Showers and Thunderstorms. Temperatures in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 30 percent.

Tonight 14 Apr Northern Cook

Showers and Thunderstorms early in the Evening, then Showers likely and a chance of Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, heavy Rainfall, and Tornadoes early in the Evening, then some Thunderstorms may be severe with damaging Winds, large Hail, and Tornadoes. Some Thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible late in the evening. Breezy. Lows in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 80 percent.

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Prospect Heights Temperature Statistics

April Temperature

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

  • Lowest 7 April, 2026

    28.7 °F
  • Average April

    48.2 °F
  • Highest 12 April, 2026

    79 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

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  • Average Low 2021–2026

    44 °F
  • Average 2021–2026

    52.9 °F
  • Average High 2021–2026

    61.5 °F
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