• Early AM

    Aug 4

    Lo 55°

    Clear

    Hair Frizz Weather
    • Wind
      Gust
      10 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Today

    Aug 4

    79°Lo 56°

    Mostly sunny and pleasant

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      11%
    • Hours of Precip
      0
    more
  • Wed

    Aug 5

    79°Lo 62°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Thu

    Aug 6

    76°Lo 58°

    Mostly cloudy

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      13%
    • Hours of Precip
      0
  • Fri

    Aug 7

    75°Lo 56°

    Partly sunny with a t-storm

    Watch for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      18%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 69° 70° 72° 73° 74° 74° 76° 75°
RealFeel® 69° 72° 75° 76° 77° 77° 78° 76°
Humidity 78% 74% 70% 65% 63% 62% 55% 56%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 10 NE 12 ENE 12 ENE 12 ENE 12 NE 12 ENE 10 ENE 10 ENE
UV Index 2 4 5 6 6 5 4 3
Cloud Cover 76% 76% 76% 76% 76% 94% 94% 94%
Dew Point 62° 62° 62° 61° 60° 60° 59° 59°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 6

more Historical Weather Data >
  Today Normal Record 8/6/2014
High 76° 82° 93° (1984) 78°
Low 58° 62° 47° (1994) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:15 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:02 AM with 7:08 of moolight, then sets at 1:11 PM

DeKalb Weather Report

Chicago: Cooler Conditions to Last Through Week

August 4, 2015; 12:20 AM ET

The Chicagoland area will experience cooler weather throughout the week. 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.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index