• Early AM

    Aug 21

    Lo 69°

    A shower or thunderstorm

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

    Aug 21

    87°Lo 72°

    A couple of thunderstorms

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

    Aug 22

    91°Lo 70°

    Clouds and sun with a t-storm

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

    Aug 23

    87°Lo 70°

    A p.m. t-storm possible

    Moderate ragweed pollen levels
    • Precip
      30%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      63%
    more
  • Sun

    Aug 24

    91°Lo 71°

    Partly sunny, hot and humid

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      48%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Partly Cloudy
Mostly Cloudy
T-storms
Cloudy
T-storms
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 83° 85° 86° 87° 85° 83° 81° 79°
RealFeel® 94° 95° 95° 95° 91° 89° 85° 82°
Humidity 72% 68% 69% 65% 72% 74% 77% 80%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
48%
 
47%
 
51%
 
43%
 
51%
 
47%
 
44%
 
48%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 6 S 7 S 7 S 8 S 7 S 7 S 6 S 6 S
UV Index 5 5 4 3 2 1 0 0
Cloud Cover 71% 76% 84% 90% 88% 83% 80% 81%
Dew Point 74° 73° 75° 74° 75° 74° 73° 72°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 87° 82° N/A 90°
Low 72° 63° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:38 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:36 AM with 14:39 of moolight, then sets at 5:15 PM

Top Story

Dundee Weather Report

Chicago: Threat of Thunderstorms Lingers After Heavy Rains Flood Wrigley Field

August 21, 2014; 1:30 AM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps