• Tonight

    Apr 20

    Lo 52°

    Increasing clouds

    Asthma Weather
    • Hi
      RealFeel
      77°
    • UV
      6 - High
    • Air Qual.
      Moderate
  • Mon

    Apr 21

    74°Lo 44°

    Couple of showers, t-storms

    At Risk weather for asthma
    • Hi
      RealFeel
      71°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
    more
  • Tue

    Apr 22

    57°Lo 34°

    Cooler with clouds breaking

    Beneficial weather for asthma
    • Hi
      RealFeel
      56°
    • UV
      6 - High
    • Air Qual.
      Good
    more
  • Wed

    Apr 23

    58°Lo 40°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      60°
    • UV
      7 - High
    • Cloud
      Cover
      29%
    more
  • Thu

    Apr 24

    69°Lo 50°

    Warmer with a thunderstorm

    Neutral weather for asthma
    • Hi
      RealFeel
      66°
    • UV
      4 - Moderate
    • Cloud
      Cover
      94%
    more
Next Previous
Next 8 hours >
  Sun
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Partly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Temp (°F) 54° 53° 49° 49° 46° 46° 45° 47°
RealFeel® 49° 47° 43° 43° 40° 40° 40° 42°
Humidity 57% 59% 63% 54% 60% 61% 70% 70%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
17%
 
12%
 
2%
 
2%
 
2%
 
2%
 
2%
 
2%
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) 8 SSE 9 SSE 8 E 8 SSE 8 SSE 7 S 7 S 7 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 43% 38% 23% 21% 16% 27% 22% 16%
Dew Point 39° 39° 37° 33° 33° 33° 36° 38°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 78° 62° N/A 45°
Low 52° 42° N/A 27°

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 12:20 AM with 10:03 of moolight, then sets at 10:23 AM

Top Story

Lisle Weather Report

Rain Coming to Chicago with Roller Coaster Temperatures

April 20, 2014; 6:12 PM ET

A showery pattern with up-and-down temperatures is coming this week to Chicago. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index