• Tonight

    Jul 27

    Lo 68°

    Partly cloudy, warm and humid

    Hair Frizz Weather
    • Wind
      Gust
      16 mph
    • Precip
      25%
    • Hours of Precip
      0
  • Tue

    Jul 28

    88°Lo 74°

    Partly sunny, warm and humid

    Warning for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      19%
    • Hours of Precip
      1
    more
  • Wed

    Jul 29

    83°Lo 63°

    A morning t-storm in the area

    Warning for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      49%
    • Hours of Precip
      1
    more
  • Thu

    Jul 30

    85°Lo 66°

    Sunny and pleasant

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Fri

    Jul 31

    86°Lo 66°

    Partly sunny

    Advisory for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      25%
    • Hours of Precip
      1.5
    more
Next Previous
Hi 86° RealFeel® 93° Precipitation 25%

Day

N

E

S

W

  • E 7 mph
  • Gusts: 16 mph

Seasonably warm and humid with times of clouds and sun

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 68° RealFeel® 69° Precipitation 17%

Night

N

E

S

W

  • E 5 mph
  • Gusts: 9 mph

Partly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • 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 27

more Historical Weather Data >
  Today Normal Record 7/27/2014
High 86° 84° 103° (1955) 82°
Low 68° 63° 45° (1977) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:32 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:53 PM with 10:07 of moolight, then sets at 3:00 AM

Peru Weather Report

Chicago: Heat and Humidity to Build Through Midweek

July 27, 2015; 3:35 PM ET

While cooler than average temperatures start off the work-week in Chicagoland, it will not last long as the heat and humidity will begin to build back in through the middle of the week. 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.

Mon. Hair Frizz

Mon. Wind Maps

Mon. UV Index