• Today

    Aug 30

    81°Lo 65°

    A thunderstorm or two

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

    Aug 31

    84°Lo 69°

    Partly sunny and humid

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

    Sep 1

    82°Lo 63°

    Mostly cloudy with t-storms

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

    Sep 2

    79°Lo 58°

    Times of clouds and sun

    Moderate ragweed pollen levels
    • Precip
      21%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Wed

    Sep 3

    82°Lo 68°

    Partly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      29%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Sunny
Temp (°F) 65° 66° 68° 71° 75° 78° 80° 82°
RealFeel® 65° 64° 68° 74° 81° 86° 87° 88°
Humidity 93% 93% 93% 87% 81% 73% 67% 61%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
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%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 2 WSW 2 WSW 3 SSW 3 S 4 S 5 S 6 SSW 6 SSW
UV Index 0 0 0 2 3 4 5 6
Cloud Cover 45% 65% 57% 46% 46% 46% 70% 46%
Dew Point 63° 64° 66° 67° 69° 69° 68° 67°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 84° 78° N/A 75°
Low 69° 55° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:12 of sunlight, then sets at 7:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:10 PM with 10:26 of moolight, then sets at 10:36 PM

Top Story

Crystal Lake Weather Report

Chicago: Thunderstorms May Dampen Labor Day Plans

August 29, 2014; 2:08 PM ET

Thunderstorms and showers will persist in the Chicago area throughout the holiday weekend, bringing the risk of disrupting outdoor activities and weekend plans. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps