• Today

    Aug 29

    83°Lo 69°

    Variable clouds, a t-storm

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

    Aug 30

    80°Lo 65°

    A thunderstorm or two

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

    Aug 31

    85°Lo 69°

    Partly sunny and humid

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

    Sep 1

    84°Lo 61°

    A couple of thunderstorms

    Moderate ragweed pollen levels
    • Precip
      61%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      82%
    more
  • Tue

    Sep 2

    81°Lo 61°

    Warm with periods of sun

    Ragweed Pollen Weather
    • Precip
      21%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      48%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
T-storms
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Temp (°F) 70° 74° 77° 79° 81° 83° 81° 81°
RealFeel® 69° 77° 82° 84° 86° 88° 88° 86°
Humidity 88% 85% 81% 76% 73% 68% 81% 77%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
51%
 
47%
 
34%
 
34%
 
34%
 
34%
 
34%
 
40%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 9 S 8 S 10 S 10 S 11 SSE 10 S 11 S 12 S
UV Index 2 3 4 5 5 5 4 3
Cloud Cover 69% 65% 68% 71% 73% 67% 54% 40%
Dew Point 67° 69° 70° 71° 71° 71° 74° 73°
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

Temperature History - Aug 29

more Historical Weather Data >
  Today Normal Record 8/29/2013
High 83° 78° N/A 88°
Low 69° 56° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 13:18 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:10 AM with 11:14 of moolight, then sets at 9:24 PM

Top Story

Crystal Lake Weather Report

Chicago: Thunderstorms May Dampen Labor Day Plans

August 29, 2014; 2:08 AM 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 >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps