• Today

    Aug 29

    75°Lo 64°

    Rain and a thunderstorm

    Warning for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      65%
    • Hours of Precip
      2.5
    more
  • Sun

    Aug 30

    82°Lo 64°

    Warmer with some sun

    Warning for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      25%
    • Hours of Precip
      0
  • Mon

    Aug 31

    86°Lo 66°

    Sunny, warm and humid

    Warning for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Tue

    Sep 1

    87°Lo 66°

    Mostly sunny, warm and humid

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      19%
    • Hours of Precip
      2.5
    more
  • Wed

    Sep 2

    87°Lo 65°

    Partly sunny and very warm

    Watch for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 65° 67° 70° 74° 76° 78° 80° 81°
RealFeel® 66° 68° 73° 80° 86° 89° 90° 91°
Humidity 93% 90% 82% 76% 73% 66% 62% 60%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
13%
 
0%
 
0%
 
0%
 
0%
 
0%
 
2%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 2 E 4 E 4 ENE 4 ENE 4 E 4 E 4 ESE 4 ESE
UV Index 0 1 2 3 4 5 6 5
Cloud Cover 90% 45% 45% 45% 45% 45% 45% 45%
Dew Point 63° 64° 64° 66° 67° 66° 66° 66°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 30

more Historical Weather Data >
  Today Normal Record 8/30/2014
High 82° 80° N/A 83°
Low 64° 61° N/A 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:13 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:05 PM with 12:25 of moolight, then sets at 8:30 AM

St. Charles Weather Report

Chicago: Stray Shower May Interrupt Otherwise Ideal Weekend Conditions

August 29, 2015; 4:28 AM ET

Chicago is in store for near-ideal weekend conditions after a brief shower hits the area on Saturday. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sun. Hair Frizz

Sun. Wind Maps

Sun. UV Index