• Today

    Apr 18

    67°Lo 48°

    Variable clouds; not as warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      16%
    • Hi
      RealFeel
      68°
    more
  • Sun

    Apr 19

    61°Lo 45°

    Rain, becoming heavy; cooler

    Fair for lawn mowing
    • Hours of Precip
      11
    • Precip
      80%
    • Hi
      RealFeel
      58°
    more
  • Mon

    Apr 20

    57°Lo 36°

    A couple of showers

    Poor for lawn mowing
    • Hours of Precip
      2
    • Precip
      60%
    • Hi
      RealFeel
      52°
    more
  • Tue

    Apr 21

    56°Lo 35°

    Mostly cloudy, windy and cool

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      12%
    • Hi
      RealFeel
      49°
  • Wed

    Apr 22

    53°Lo 33°

    Variably cloudy and breezy

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      11%
    • Hi
      RealFeel
      48°
    more
Next Previous
Hi 56° RealFeel® 49° Precipitation 12%

Day

N

E

S

W

  • W 24 mph
  • Gusts: 39 mph

Windy and cool with variable cloudiness

  • Max UV Index: 6 (High)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 35° RealFeel® 24° Precipitation 14%

Night

N

E

S

W

  • W 14 mph
  • Gusts: 26 mph

Clear and chilly; freezing temperatures in the normally colder spots

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • 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 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 56° 61° 88° (1985) 74°
Low 35° 41° 27° (1986) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:03 AM with 13:37 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:19 AM with 14:44 of moolight, then sets at 11:03 PM

Bartlett Weather Report

Chicago: Rain to Span Second Half of Weekend

April 18, 2015; 5:11 AM ET

Weekend weather will be a combination of lower temperatures and significant rainfall, but Chicago will slowly pull out of the damp, cooler conditions through the new week. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Tue. Degree Days

Tue. Evapotranspiration