• Today

    Jul 31

    88°Lo 63°

    Sunny to partly cloudy

    Unlikely for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      5%
    • Hours of Precip
      0
  • Sat

    Aug 1

    86°Lo 66°

    Mostly sunny and beautiful

    Watch for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      19%
    • Hours of Precip
      1
    more
  • Sun

    Aug 2

    86°Lo 70°

    Partly sunny with a t-storm

    Advisory for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      55%
    • Hours of Precip
      2
    more
  • Mon

    Aug 3

    86°Lo 64°

    A morning t-storm in spots

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      42%
    • Hours of Precip
      1
    more
  • Tue

    Aug 4

    81°Lo 62°

    Pleasant with clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      25%
    • Hours of Precip
      1.5
    more
Next Previous
Hi 88° RealFeel® 89° Precipitation 5%

Day

N

E

S

W

  • WNW 12 mph
  • Gusts: 21 mph

Sunny to partly cloudy

  • Max UV Index: 7 (High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 61° Precipitation 4%

Night

N

E

S

W

  • W 7 mph
  • Gusts: 15 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 88° 83° 99° (2006) 85°
Low 63° 67° 50° (1936) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:26 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:11 PM with 11:00 of moolight, then sets at 7:11 AM

Harvey Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 12:46 AM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by 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