• Today

    Sep 4

    86°Lo 69°

    Partly sunny with a t-storm

    Warning for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      55%
    • Hours of Precip
      3
  • Sat

    Sep 5

    90°Lo 71°

    Partly sunny and hot

    Warning for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Sun

    Sep 6

    91°Lo 73°

    Mostly sunny, hot and humid

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Mon

    Sep 7

    86°Lo 70°

    An afternoon thunderstorm

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      57%
    • Hours of Precip
      1
    more
  • Tue

    Sep 8

    81°Lo 69°

    Mainly cloudy with t-storms

    Warning for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      65%
    • Hours of Precip
      4.5
    more
Next Previous
Hi 86° RealFeel® 99° Precipitation 55%

Day

N

E

S

W

  • NNW 5 mph
  • Gusts: 8 mph

Intervals of clouds and sunshine with a shower or thunderstorm around; very warm and humid

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.11 in
  • Rain: 0.11 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 69° RealFeel® 70° Precipitation 41%

Night

N

E

S

W

  • SSE 4 mph
  • Gusts: 7 mph

Patchy clouds, warm and humid with a shower or thunderstorm in spots

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.12 in
  • Rain: 0.12 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record
High 86° N/A N/A N/A
Low 69° N/A N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:00 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:27 PM with 14:39 of moolight, then sets at 2:06 PM

Harvey Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 4, 2015; 5:04 AM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Fri. Hair Frizz

Fri. Wind Maps

Fri. UV Index