• Today

    Apr 21

    54°Lo 36°

    Mostly cloudy and windy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Wed

    Apr 22

    50°Lo 35°

    Periods of sun; windy, cool

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Apr 23

    54°Lo 37°

    Plenty of sunshine

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Apr 24

    54°Lo 39°

    Sun giving way to clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Apr 25

    50°Lo 37°

    Cool with variable clouds

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Next 8 hours >
  Tue
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Mostly Clear
Mostly Sunny
Temp (°F) 41° 41° 40° 40° 40° 41° 41° 42°
RealFeel® 32° 32° 32° 31° 30° 31° 31° 32°
Humidity 70% 71% 71% 72% 72% 67% 62% 59%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
4%
 
2%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 12 W 12 WSW 12 WSW 12 WSW 13 WSW 13 WSW 14 WSW 15 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 100% 96% 99% 99% 97% 32% 24% 20%
Dew Point 32° 32° 32° 32° 31° 31° 29° 29°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 54° 62° 86° (1985) 78°
Low 36° 44° 28° (1943) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 13:37 of sunlight, then sets at 7:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:17 AM with 14:44 of moolight, then sets at 11:01 PM

Chicago Weather Report

Chicago: Temperatures to Plummet After Extended Warm Spell

April 21, 2015; 11:17 AM 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 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Tue. Snow Day Potential