• Tonight

    Sep 2

    Lo 58°

    Clear

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Sep 3

    84°Lo 70°

    Partly sunny and warm

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

    Sep 4

    89°Lo 70°

    Partly sunny

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

    Sep 5

    77°Lo 59°

    Not as warm with a t-storm

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

    Sep 6

    72°Lo 53°

    Pleasant with clouds and sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5pm
6pm 7pm 8pm 9pm 10pm 11pm Fri
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
T-storms
Mostly Cloudy
T-storms
Temp (°F) 88° 86° 82° 82° 80° 79° 78° 77°
RealFeel® 92° 90° 85° 84° 83° 80° 79° 77°
Humidity 63% 67% 74% 76% 79% 80% 83% 85%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
0%
 
0%
 
3%
 
44%
 
48%
 
52%
 
44%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 12 SSW 11 SSW 10 SSW 10 SSW 10 SSW 10 SSW 10 SSW 9 SSW
UV Index 1 1 0 0 0 0 0 0
Cloud Cover 70% 70% 70% 76% 76% 76% 76% 76%
Dew Point 74° 74° 74° 73° 73° 73° 72° 72°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2013
High 89° 81° 97° (1960) 82°
Low 70° 57° 43° (1997) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 12:59 of sunlight, then sets at 7:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:03 PM with 10:16 of moolight, then sets at 2:19 AM

Top Story

Peru Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 2, 2014; 6:11 PM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the 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.

Thu. Snow Day Potential