• Today

    Sep 17

    67°Lo 45°

    Mostly sunny and pleasant

    Excellent for biking
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      4 mph
    more
  • Thu

    Sep 18

    69°Lo 48°

    Mostly sunny and pleasant

    Excellent for biking
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
  • Fri

    Sep 19

    73°Lo 59°

    Pleasant with clouds and sun

    Excellent for biking
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
  • Sat

    Sep 20

    78°Lo 59°

    A couple of p.m. t-storms

    Excellent for biking
    • Precip
      60%
    • Hours of Precip
      1
    • Wind
      Gust
      18 mph
  • Sun

    Sep 21

    73°Lo 51°

    A morning shower possible

    Very Good for biking
    • Precip
      30%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
Next Previous
Hi 78° RealFeel® 77° Precipitation 60%

Day

N

E

S

W

  • SW 11 mph
  • Gusts: 18 mph

Mostly cloudy with a couple of showers and a thunderstorm around late in the afternoon

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 59° RealFeel® 56° Precipitation 72%

Night

N

E

S

W

  • W 7 mph
  • Gusts: 12 mph

A couple of heavy evening thunderstorms; overcast

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.76 in
  • Rain: 0.76 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 78° 75° 92° (1978) 75°
Low 59° 52° 39° (1991) 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 12:16 of sunlight, then sets at 6:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:16 AM with 13:42 of moolight, then sets at 4:58 PM

Top Story

Joliet Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 17, 2014; 1:12 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 >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.