• Early AM

    Sep 1

    Lo 70°

    Increasing clouds

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Sep 1

    80°Lo 67°

    A strong afternoon t-storm

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Sep 2

    77°Lo 64°

    Times of clouds and sun

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 3

    80°Lo 69°

    Partly sunny

    High ragweed pollen levels
    • Precip
      16%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      31%
    more
  • Thu

    Sep 4

    84°Lo 71°

    Partly sunny; breezy, humid

    High ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      68%
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
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 73° 74° 75° 77° 80° 82° 84° 84°
RealFeel® 72° 75° 77° 80° 83° 86° 88° 87°
Humidity 86% 86% 85% 79% 72% 70% 66% 66%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
25%
 
24%
 
20%
 
20%
 
16%
 
7%
 
7%
 
7%
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) 13 SSW 13 S 13 SSW 14 SSW 14 SSW 14 SSW 13 SSW 13 SSW
UV Index 1 2 3 4 4 4 4 3
Cloud Cover 70% 70% 70% 70% 68% 64% 63% 66%
Dew Point 68° 69° 70° 70° 71° 72° 72° 72°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2013
High 84° 79° N/A 84°
Low 71° 59° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:01 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:00 PM with 10:12 of moolight, then sets at 2:12 AM

Top Story

Chicago Weather Report

Severe Storms to Threaten Chicago on Labor Day

September 1, 2014; 2:02 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 >

Thu. Dust & Dander

Thu. Wind Maps