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Personalized Forecasts

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    My Recent Locations

    • Today

      Sep 25

      80° /54°F
      Warmer; a heavy p.m. t-storm
      • Poor
      • for home energy
      • Avg RealFeel: 67°
      • Hi RealFeel: 83°
      • Wind Speed: 10 mph
    • Mon

      Sep 26

      65° /49°
      Breezy with clouds breaking
      • Poor
      • for home energy
      • Avg RealFeel: 54°
      • Hi RealFeel: 64°
      • Wind Speed: 15 mph
      More
    • Tue

      Sep 27

      63° /51°
      Partly sunny and breezy
      • Poor
      • for home energy
      • Avg RealFeel: 54°
      • Hi RealFeel: 61°
      • Wind Speed: 14 mph
      More
    • Wed

      Sep 28

      62° /52°
      A morning shower in spots
      • Poor
      • for home energy
      • Avg RealFeel: 54°
      • Hi RealFeel: 61°
      • Wind Speed: 12 mph
      More
    • Thu

      Sep 29

      66° /53°
      Partly sunny
      • Poor
      • for home energy
      • Avg RealFeel: 58°
      • Hi RealFeel: 67°
      • Wind Speed: 12 mph
      More

    Day

    80°Hi RealFeel® 83° Precipitation 55%
    Turning cloudy and warmer; an afternoon shower or heavy thunderstorm in the area
    • S 10 mph
    • Gusts: 16 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 40%
    • Precipitation: 0.15 in
    • Rain: 0.15 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    54°Lo RealFeel® 50° Precipitation 57%
    Plenty of clouds with a shower or thunderstorm around until after midnight
    • W 9 mph
    • Gusts: 14 mph
    • Max UV Index: N/A
    • Thunderstorms: 40%
    • Precipitation: 0.28 in
    • Rain: 0.28 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 80° 71° N/A 70°
    Low 54° 50° N/A 58°

    Sunrise/Sunset

    • Sunrise: 6:43 AM
    • Sunset: 6:42 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 1:17 AM
    • Moonset: 3:53 PM
    • Duration: 14:36 hr
    Astronomy

    Lake Forest Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 25, 2016; 8:43 AM ET

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

    Sun. Home Energy Efficiency

    Sun. Degree Days

    Sun. UV Index