• Tonight

    Apr 16

    Lo 37°

    Breezy with increasing clouds

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    Apr 17

    56°Lo 34°

    Mostly cloudy and breezy

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Apr 18

    53°Lo 30°

    Clouds giving way to some sun

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Apr 19

    57°Lo 33°

    Some sunshine

    Moderate indoor dust & dander levels
    • Precip
      7%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      45%
    more
  • Sun

    Apr 20

    62°Lo 47°

    Mostly cloudy with a shower

    Moderate indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      93%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
5pm
6pm 7pm 8pm 9pm 10pm 11pm Thu
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 52° 50° 48° 46° 45° 43° 42° 42°
RealFeel® 42° 39° 36° 34° 33° 32° 31° 31°
Humidity 40% 42% 45% 49% 52% 55% 58% 61%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
0%
 
0%
 
1%
 
4%
 
4%
 
4%
 
4%
 
4%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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0%
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 20 SSE 19 SSE 17 SSE 15 SSE 15 SSE 13 SSE 13 SSE 13 SSE
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 39% 47% 45% 45% 48% 48% 47% 45%
Dew Point 28° 28° 27° 27° 28° 28° 28° 30°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 16

more Historical Weather Data >
  Today Normal Record 4/16/2013
High 52° 57° N/A 54°
Low 37° 35° N/A 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:25 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:21 PM with 10:19 of moolight, then sets at 7:40 AM

Top Story

Crystal Lake Weather Report

Chicago: Chilly Weather to Return for the Weekend

April 16, 2014; 4:33 AM ET

While the city warmed up a bit at midweek, by the weekend, chilly weather will return and persist until next week. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps