• Today

    Jul 31

    82°Lo 58°

    A thunderstorm in spots

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

    Aug 1

    82°Lo 57°

    An afternoon thunderstorm

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

    Aug 2

    82°Lo 55°

    Some sun with a thunderstorm

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

    Aug 3

    83°Lo 61°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      26%
    more
  • Mon

    Aug 4

    83°Lo 62°

    A thunderstorm possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      50%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Sunny
Mostly Sunny
Sunny
Partly Sunny
T-storms
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 76° 78° 79° 80° 81° 82° 80° 79°
RealFeel® 80° 82° 83° 83° 81° 82° 79° 76°
Humidity 55% 51% 48% 45% 47% 45% 47% 51%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
5%
 
5%
 
8%
 
47%
 
51%
 
47%
 
10%
 
10%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 7 WSW 7 WSW 8 WSW 8 WSW 8 WSW 9 WSW 8 WSW 7 WSW
UV Index 6 7 7 7 5 4 3 1
Cloud Cover 8% 22% 9% 44% 69% 46% 46% 46%
Dew Point 59° 58° 58° 58° 59° 58° 59° 59°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 82° 83° 99° (2006) 75°
Low 58° 64° 49° (2009) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:45 AM with 14:28 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:18 AM with 12:01 of moolight, then sets at 10:19 PM

Top Story

Dundee Weather Report

Late-Week Thunderstorms in Store for Chicago

July 31, 2014; 2:58 AM 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