• Today

    Apr 21

    75°Lo 43°

    Couple of showers, t-storms

    Neutral weather for asthma
    • Hi
      RealFeel
      75°
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Tue

    Apr 22

    62°Lo 39°

    Partly sunny and cooler

    Beneficial weather for asthma
    • Hi
      RealFeel
      62°
    • UV
      7 - High
    • Air Qual.
      Good
    more
  • Wed

    Apr 23

    61°Lo 46°

    An afternoon shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      63°
    • UV
      7 - High
    • Air Qual.
      Good
    more
  • Thu

    Apr 24

    69°Lo 48°

    A strong thunderstorm

    At Extreme Risk weather for asthma
    • Hi
      RealFeel
      66°
    • UV
      4 - Moderate
    • Cloud
      Cover
      81%
    more
  • Fri

    Apr 25

    64°Lo 39°

    Colder in the afternoon

    Beneficial weather for asthma
    • Hi
      RealFeel
      63°
    • UV
      7 - High
    • Cloud
      Cover
      28%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
10pm
11pm Tue
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 61° 58° 57° 54° 52° 50° 48° 45°
RealFeel® 56° 52° 51° 47° 44° 43° 41° 37°
Humidity 74% 78% 80% 80% 80% 80% 80% 83%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
20%
 
20%
 
20%
 
13%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 8 NW 9 NNW 9 NNW 10 N 10 N 10 N 9 N 9 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 46% 46% 46% 46% 11% 11% 11% 11%
Dew Point 52° 51° 50° 48° 46° 44° 42° 40°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 75° 64° 91° (1987) 55°
Low 43° 41° 29° (1988) 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:35 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:14 AM with 10:19 of moolight, then sets at 11:33 AM

Top Story

Peru Weather Report

Rain Coming to Chicago with Roller Coaster Temperatures

April 21, 2014; 4:31 AM 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?

Mon. Air Quality

Mon. Asthma Risk

Mon. UV Index