• Today

    Sep 1

    81°Lo 62°

    Partly sunny with a t-storm

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

    Sep 2

    81°Lo 60°

    Clouds and sun; less humid

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

    Sep 3

    85°Lo 71°

    Partly sunny and more humid

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

    Sep 4

    88°Lo 71°

    Clouds and sun

    High ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      11 mph
    • Cloud
      Cover
      67%
    more
  • Fri

    Sep 5

    78°Lo 59°

    Not as warm with a t-storm

    Ragweed Pollen Weather
    • Precip
      63%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      69%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
T-storms
T-storms
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
T-storms
Temp (°F) 71° 72° 74° 76° 77° 79° 81° 78°
RealFeel® 69° 72° 76° 80° 82° 84° 86° 83°
Humidity 90% 88% 86% 83% 79% 75% 72% 86%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
52%
 
51%
 
47%
 
32%
 
32%
 
36%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 9 SW 10 WSW 10 W 10 W 10 W 11 WSW 11 WSW 11 WSW
UV Index 0 1 2 4 5 5 5 4
Cloud Cover 70% 90% 82% 67% 68% 62% 63% 61%
Dew Point 68° 69° 69° 70° 70° 70° 71° 73°
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 81° 81° 101° (1953) 86°
Low 62° 58° 38° (1967) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:07 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:13 PM with 10:13 of moolight, then sets at 11:26 PM

Top Story

Peru 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 >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps