• Today

    Sep 18

    65°Lo 50°

    Mostly sunny and pleasant

    Excellent for driving
    • Precip
      2%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Fri

    Sep 19

    72°Lo 61°

    Periods of sun

    Excellent for driving
    • Precip
      5%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sat

    Sep 20

    80°Lo 59°

    A couple of p.m. t-storms

    Good for driving
    • Precip
      74%
    • Hours of Precip
      2.5
    • Rain
      0.27 in
  • Sun

    Sep 21

    71°Lo 50°

    Clouds breaking; less humid

    Excellent for driving
    • Precip
      25%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Mon

    Sep 22

    66°Lo 50°

    Times of clouds and sun

    Excellent for driving
    • Precip
      25%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
Hi 80° RealFeel® 79° Precipitation 74%

Day

N

E

S

W

  • SW 12 mph
  • Gusts: 22 mph

Mostly cloudy, breezy, warmer and more humid; a couple of afternoon showers and a thunderstorm

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.23 in
  • Rain: 0.23 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 59° RealFeel® 55° Precipitation 40%

Night

N

E

S

W

  • WNW 8 mph
  • Gusts: 13 mph

A thunderstorm in spots in the evening; otherwise, mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 80° 71° N/A 74°
Low 59° 52° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 12:17 of sunlight, then sets at 6:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:13 AM with 13:45 of moolight, then sets at 4:58 PM

Top Story

Lake Forest Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 18, 2014; 6:12 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

Travel Weather Forecast

Sep 18, 2014; 5:45 AM ET United States travel weather forecast

Sat. Driving Weather