• Tonight

    Apr 17

    Lo 40°

    Occasional rain and drizzle

    Asthma Weather
    • Hi
      RealFeel
      65°
    • UV
      6 - High
    • Air Qual.
      Good
    more
  • Fri

    Apr 18

    58°Lo 36°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      65°
    • UV
      6 - High
    • Air Qual.
      Moderate
  • Sat

    Apr 19

    69°Lo 47°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      67°
    • UV
      6 - High
    • Air Qual.
      Moderate
    more
  • Sun

    Apr 20

    73°Lo 51°

    Mostly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      73°
    • UV
      5 - Moderate
    • Cloud
      Cover
      76%
    more
  • Mon

    Apr 21

    68°Lo 57°

    A couple of thunderstorms

    Beneficial weather for asthma
    • Hi
      RealFeel
      70°
    • UV
      4 - Moderate
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Sunny
Mostly Sunny
Temp (°F) 44° 46° 51° 54° 54° 55° 57° 58°
RealFeel® 43° 48° 55° 60° 62° 63° 65° 64°
Humidity 71% 65% 59% 55% 52% 48% 44% 41%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
20%
 
20%
 
20%
 
20%
 
20%
 
16%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 4 NNE 5 NNE 5 NNE 5 NNE 5 NNE 5 NNE 5 NNE 5 NNE
UV Index 1 2 3 4 5 6 6 5
Cloud Cover 70% 70% 70% 70% 70% 70% 25% 25%
Dew Point 35° 35° 37° 38° 37° 36° 36° 35°
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 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 58° 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 17, 2014; 5:44 PM 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. Air Quality

Fri. Asthma Risk

Fri. UV Index