• Today

    Sep 1

    83°Lo 66°

    Mostly cloudy with a t-storm

    Warning for hair frizz
    • Wind
      Gust
      26 mph
    • Precip
      60%
    • Hours of Precip
      3
  • Tue

    Sep 2

    81°Lo 63°

    Periods of sun; less humid

    Advisory for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Wed

    Sep 3

    85°Lo 72°

    Partly sunny

    Advisory for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      17%
    • Hours of Precip
      4
    more
  • Thu

    Sep 4

    89°Lo 72°

    Times of clouds and sun

    Warning for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      25%
    • Hours of Precip
      1
    more
  • Fri

    Sep 5

    77°Lo 61°

    Not as warm with t-storms

    Warning for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      65%
    • Hours of Precip
      5
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
T-storms
T-storms
Cloudy
Mostly Cloudy
Mostly Cloudy
T-storms
Partly Cloudy
Partly Cloudy
Temp (°F) 74° 76° 77° 79° 83° 80° 81° 81°
RealFeel® 72° 77° 80° 82° 86° 81° 84° 83°
Humidity 84% 81% 78% 74% 66% 82% 76% 73%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
51%
 
51%
 
47%
 
43%
 
47%
 
51%
 
47%
 
33%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 13 SSW 12 SW 12 SSW 13 SSW 14 SSW 13 SSW 13 SW 11 SW
UV Index 1 2 3 3 3 3 2 1
Cloud Cover 96% 96% 95% 89% 84% 77% 66% 64%
Dew Point 69° 70° 70° 70° 71° 74° 72° 71°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 83° 80° 101° (1953) 85°
Low 66° 60° 45° (1949) 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:09 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:10 PM with 10:09 of moolight, then sets at 11:19 PM

Top Story

Arlington Heights Weather Report

Severe Storms to Threaten Chicago on Labor Day

September 1, 2014; 9:40 AM ET

Chicago will become the target of severe thunderstorms as the Labor Day holiday weekend comes to an end, creating dangers for those with outdoor plans. 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.

Mon. Hair Frizz

Mon. Wind Maps

Mon. UV Index