• Tonight

    Apr 20

    Lo 37°

    Clearing and chilly

    Hair Frizz Weather
    • Wind
      Gust
      39 mph
    • Precip
      35%
    • Hours of Precip
      0
  • Tue

    Apr 21

    54°Lo 32°

    Very windy; variable clouds

    Unlikely for hair frizz
    • Wind
      Gust
      43 mph
    • Precip
      22%
    • Hours of Precip
      0
    more
  • Wed

    Apr 22

    52°Lo 30°

    Variable clouds; windy, cool

    Unlikely for hair frizz
    • Wind
      Gust
      30 mph
    • Precip
      14%
    • Hours of Precip
      0
    more
  • Thu

    Apr 23

    54°Lo 30°

    Sunny and breezy

    Unlikely for hair frizz
    • Wind
      Gust
      25 mph
    • Precip
      7%
    • Hours of Precip
      1.5
    more
  • Fri

    Apr 24

    57°Lo 34°

    Cloudy and cool

    Unlikely for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      25%
    • Hours of Precip
      1.5
    more
Next Previous
Hi 49° RealFeel® 39° Precipitation 35%

Day

N

E

S

W

  • W 21 mph
  • Gusts: 39 mph

Cloudy, windy and colder

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 37° RealFeel® 29° Precipitation 9%

Night

N

E

S

W

  • SW 12 mph
  • Gusts: 26 mph

Clearing and chilly

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 49° 61° 87° (1985) 79°
Low 37° 40° 24° (1897) 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 13:33 of sunlight, then sets at 7:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:33 AM with 14:28 of moolight, then sets at 10:01 PM

Lisle Weather Report

Chicago: Temperatures to Plummet After Extended Warm Spell

April 20, 2015; 8:24 PM ET

After a two-week stretch of above-normal temperatures, Chicago is set to fall into a chilly pattern into late this 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