• Today

    Apr 19

    67°Lo 46°

    Cloudy; p.m. rain, colder

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Mon

    Apr 20

    56°Lo 36°

    Cooler; a shower in the a.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Tue

    Apr 21

    55°Lo 33°

    Variable clouds; windy, cool

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    Apr 22

    51°Lo 32°

    Variably cloudy; windy, cool

    Low ragweed pollen levels
    • Precip
      8%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      70%
    more
  • Thu

    Apr 23

    51°Lo 30°

    Sunny and breezy

    Ragweed Pollen Weather
    • Precip
      16%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      10%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Rain
Rain
Temp (°F) 51° 55° 58° 62° 65° 67° 62° 61°
RealFeel® 49° 52° 57° 63° 67° 69° 59° 56°
Humidity 60% 54% 51% 49% 46% 44% 69% 81%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
11%
 
88%
 
88%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 7 ESE 12 ESE 12 ESE 12 ESE 12 ESE 12 ESE 10 E 10 ENE
UV Index 1 2 3 4 4 5 4 3
Cloud Cover 77% 65% 73% 78% 84% 89% 91% 93%
Dew Point 38° 39° 40° 43° 44° 44° 52° 55°
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 4/19/2014
High 67° 58° N/A 62°
Low 46° 36° N/A 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 13:33 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:49 AM with 14:07 of moolight, then sets at 8:56 PM

Crystal Lake Weather Report

Chicago: Rain to Span Second Half of Weekend

April 19, 2015; 5:55 AM ET

The second half of the weekend will see a combination of lower temperatures and significant rainfall, but Chicago will slowly pull out of the damp, cooler conditions through the new week. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps