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Personalized Forecasts

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    • Today

      Sep 27

      66° /51°F
      Mostly sunny and breezy
      • Neutral
      • weather for sinus headaches
      • Hi RealFeel: 66°
      • UV: 4 - Moderate
      • Cloud Cover: 29%
    • Wed

      Sep 28

      61° /55°
      A brief morning shower or two
      • Neutral
      • weather for sinus headaches
      • Hi RealFeel: 59°
      • UV: 2 - Low
      • Cloud Cover: 92%
      More
    • Thu

      Sep 29

      67° /59°
      A brief shower or two
      • Beneficial
      • weather for sinus headaches
      • Hi RealFeel: 64°
      • UV: 2 - Low
      • Cloud Cover: 89%
      More
    • Fri

      Sep 30

      64° /58°
      A couple of showers
      • Beneficial
      • weather for sinus headaches
      • Hi RealFeel: 60°
      • UV: 4 - Moderate
      • Cloud Cover: 84%
      More
    • Sat

      Oct 1

      67° /56°
      Mostly cloudy with a shower
      • Beneficial
      • weather for sinus headaches
      • Hi RealFeel: 67°
      • UV: 4 - Moderate
      • Cloud Cover: 79%
      More
    57°/53° RealFeel® 54°/48°
    A couple of showers
    • 7 mph
    • Precipitation: 60%
    • Rain: 0.11 in
    • Snow: 0 in
    • Humidity: 77%
    • Cloud Cover: 99%
    • Dew Point: 48° F
    • Visibility: 8 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 66° 70° N/A 73°
    Low 51° 49° N/A 59°

    Sunrise/Sunset

    • Sunrise: 6:45 AM
    • Sunset: 6:39 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:20 AM
    • Moonset: 5:08 PM
    • Duration: 13:48 hr
    Astronomy

    Mount Prospect Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 5:03 AM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes through Tuesday. More >

    Tue. Sinus Headache

    Tue. UV Index