• Sat

    Jul 11

    88°Lo 72°

    A shower or t-storm in spots

    Warning for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      41%
    • Hours of Precip
      1.5
    more
  • Sun

    Jul 12

    88°Lo 70°

    Mostly sunny and very humid

    Warning for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      25%
    • Hours of Precip
      3
    more
  • Mon

    Jul 13

    84°Lo 65°

    A strong morning thunderstorm

    Warning for hair frizz
    • Wind
      Gust
      30 mph
    • Precip
      52%
    • Hours of Precip
      2
  • Tue

    Jul 14

    78°Lo 61°

    Sunshine

    Advisory for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Wed

    Jul 15

    82°Lo 58°

    Sunny to partly cloudy

    Watch for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
Hi 84° RealFeel® 89° Precipitation 52%

Day

N

E

S

W

  • N 15 mph
  • Gusts: 30 mph

Humid; watch for a strong morning thunderstorm followed by a thunderstorm in the afternoon

  • Max UV Index: 6 (High)
  • Thunderstorms: 95%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 65° RealFeel® 62° Precipitation 4%

Night

N

E

S

W

  • NE 16 mph
  • Gusts: 28 mph

Patchy clouds

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 13

more Historical Weather Data >
  Today Normal Record 7/13/2014
High 84° 85° 97° (1954) 84°
Low 65° 63° 47° (1975) 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:34 AM with 14:56 of sunlight, then sets at 8:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:49 AM with 14:36 of moolight, then sets at 5:25 PM

Peru Weather Report

Chicago: Cool Conditions, Rain to Linger Through Late Week

July 6, 2015; 11:04 PM ET

Below-average temperatures and the change for showers will linger through late this week in Chicago. 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.