• Tonight

    Sep 30

    Lo 47°

    Clouds breaking

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Wed

    Oct 1

    71°Lo 58°

    Pleasant with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Oct 2

    74°Lo 57°

    A couple of thunderstorms

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Oct 3

    59°Lo 39°

    Cooler with brief showers

    Low ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      82%
    more
  • Sat

    Oct 4

    52°Lo 38°

    Chance of a shower

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Mostly Cloudy
Mostly Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 57° 57° 55° 53° 53° 52° 51° 51°
RealFeel® 54° 52° 50° 48° 48° 47° 47° 47°
Humidity 67% 67% 71% 77% 78% 79% 84% 86%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 10 NE 10 NE 9 E 8 E 7 E 7 E 6 E 5 E
UV Index 2 1 1 0 0 0 0 0
Cloud Cover 81% 89% 91% 86% 83% 86% 89% 87%
Dew Point 46° 46° 46° 46° 46° 46° 47° 47°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 30

more Historical Weather Data >
  Today Normal Record 9/30/2013
High 57° 66° N/A 73°
Low 47° 42° N/A 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:49 AM with 11:48 of sunlight, then sets at 6:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:02 PM with 9:59 of moolight, then sets at 11:01 PM

Top Story

Crystal Lake Weather Report

Chicago: Mix of Sun, Storms Ahead as Temperatures Fluctuate

September 30, 2014; 11:50 AM ET

The Chicago area is set for a roller-coaster weather pattern over the next few days as temperatures rise and fall in between alternating sunny and stormy skies. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps