• Early AM

    Jul 31

    Lo 62°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      5 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Jul 31

    79°Lo 66°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Aug 1

    79°Lo 66°

    An afternoon thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 2

    80°Lo 64°

    Clouds and sun with a t-storm

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 3

    80°Lo 66°

    Partly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      26%
    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 Sunny
Partly Cloudy
Partly Cloudy
Partly Sunny
T-storms
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 77° 78° 76° 75° 70° 71° 71° 71°
RealFeel® 77° 76° 72° 70° 66° 68° 67° 67°
Humidity 62% 55% 54% 58% 80% 76% 75% 73%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
12%
 
12%
 
16%
 
47%
 
51%
 
47%
 
34%
 
34%
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) 7 WSW 7 WSW 6 WSW 6 SW 5 SW 5 SW 5 SW 5 SW
UV Index 3 1 0 0 0 0 0 0
Cloud Cover 46% 70% 55% 45% 45% 42% 45% 45%
Dew Point 63° 61° 59° 59° 64° 63° 62° 62°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 79° 83° N/A 75°
Low 66° 64° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:28 of sunlight, then sets at 8:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:17 AM with 12:01 of moolight, then sets at 10:18 PM

Top Story

Chicago Weather Report

Late-Week Thunderstorms in Store for Chicago

July 30, 2014; 4:08 PM ET

Thunderstorms will move into the Chicago area later this week, and the threat for storms will remain into the weekend. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps