• Today

    Sep 2

    81°Lo 62°

    Clouds and sun; less humid

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

    Sep 3

    83°Lo 69°

    Partly sunny

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

    Sep 4

    86°Lo 71°

    Times of sun and clouds

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

    Sep 5

    76°Lo 58°

    A couple of thunderstorms

    High ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      76%
    more
  • Sat

    Sep 6

    71°Lo 53°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      11%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      15%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Sunny
Temp (°F) 77° 78° 80° 81° 80° 79° 77° 74°
RealFeel® 81° 82° 83° 83° 80° 78° 75° 71°
Humidity 58% 55% 53% 52% 52% 54% 58% 63%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
1%
 
3%
 
7%
 
7%
 
7%
 
7%
 
7%
 
5%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 5 W 6 WSW 6 WSW 6 WSW 6 WSW 5 WSW 4 WSW 3 WSW
UV Index 5 5 5 4 3 2 1 0
Cloud Cover 46% 46% 46% 70% 46% 46% 70% 46%
Dew Point 61° 61° 61° 61° 61° 61° 62° 61°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2013
High 81° 78° N/A 72°
Low 62° 59° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:07 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:09 PM with 10:00 of moolight, then sets at 12:09 AM

Top Story

Lake Forest Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 2, 2014; 4:05 AM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps