• Tonight

    Apr 19

    Lo 42°

    A shower early; partly cloudy

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

    Apr 20

    76°Lo 52°

    Partly sunny and warmer

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

    Apr 21

    69°Lo 45°

    Couple of showers, t-storms

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

    Apr 22

    56°Lo 34°

    Cooler; a morning shower

    Low indoor dust & dander levels
    • Precip
      40%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      60%
    more
  • Wed

    Apr 23

    58°Lo 40°

    Partly sunny

    Moderate indoor dust & dander levels
    • Precip
      10%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      33%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
12pm
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Partly Sunny
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 54° 57° 61° 63° 65° 64° 63° 59°
RealFeel® 55° 60° 63° 65° 65° 62° 59° 55°
Humidity 49% 45% 40% 37% 34% 35% 39% 44%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
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Snow
 
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Ice
 
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 10 SE 9 SSE 9 SSE 9 S 10 S 10 S 9 S 9 S
UV Index 6 6 6 5 4 2 1 0
Cloud Cover 43% 51% 44% 39% 42% 53% 65% 51%
Dew Point 35° 36° 36° 36° 36° 36° 38° 38°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2013
High 65° 58° N/A 39°
Low 42° 36° N/A 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:32 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at --:-- with of moolight, then sets at 9:22 AM

Top Story

Crystal Lake Weather Report

Warm Easter Day in Chicago but Rain Coming on Monday

April 19, 2014; 8:12 PM ET

It will be a partly sunny and warm Easter day across Chicago. more >

Is it a Cold or the Flu?

Apr 19, 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?

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps