• Tonight

    Apr 18

    Lo 36°

    Mainly clear

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sat

    Apr 19

    66°Lo 43°

    Mostly sunny and breezy

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 20

    73°Lo 51°

    Partly sunny

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Apr 21

    71°Lo 46°

    A couple of thunderstorms

    Low indoor dust & dander levels
    • Precip
      73%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      90%
    more
  • Tue

    Apr 22

    62°Lo 37°

    A morning shower possible

    Low indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      51%
    more
Next Previous
Next 8 hours >
  Fri
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Clear
Cloudy
Partly Cloudy
Partly Sunny
Temp (°F) 49° 50° 48° 45° 43° 42° 40° 41°
RealFeel® 51° 49° 47° 47° 45° 41° 43° 42°
Humidity 68% 66% 66% 73% 79% 82% 86% 81%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
14%
 
15%
 
17%
 
17%
 
17%
 
17%
 
17%
 
11%
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) 0 3 WSW 3 W 0 0 3 NNW 0 1 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 90% 90% 100% 60% 25% 100% 35% 43%
Dew Point 39° 39° 37° 37° 37° 37° 36° 36°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 61° 62° 87° (1977) 64°
Low 36° 40° 25° (1983) 39°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:27 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:24 PM with 10:00 of moolight, then sets at 9:24 AM

Top Story

Joliet Weather Report

Chicago: Weekend Warmth on the Way

April 18, 2014; 4:14 AM ET

Despite a chilly Friday, seasonal warmth will return to the city right in time for the holiday weekend. more >

Is it a Cold or the Flu?

Apr 7, 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?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps