• Tonight

    Apr 23

    Lo 38°

    Cloudy with a few showers

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

    Apr 24

    62°Lo 43°

    Couple of thunderstorms

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

    Apr 25

    67°Lo 36°

    Partly sunny and breezy

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

    Apr 26

    54°Lo 33°

    Partly sunny and cooler

    Moderate indoor dust & dander levels
    • Precip
      5%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      26%
    more
  • Sun

    Apr 27

    53°Lo 41°

    Mostly cloudy, rain possible

    Moderate indoor dust & dander levels
    • Precip
      35%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      87%
    more
Next Previous
Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Mostly Sunny
Mostly Sunny
Temp (°F) 38° 36° 34° 33° 33° 32° 34° 35°
RealFeel® 32° 30° 27° 27° 26° 25° 29° 32°
Humidity 80% 84% 81% 83% 84% 84% 84% 81%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 6 NNE 6 NE 7 NNE 6 N 7 N 7 NNE 5 NNE 5 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 1% 2% 1% 2% 11% 18%
Dew Point 32° 31° 29° 28° 28° 28° 30° 30°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Apr 23

more Historical Weather Data >
  Today Normal Record 4/23/2013
High 52° 60° N/A 52°
Low 38° 37° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:00 AM with 13:44 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:38 AM with 11:07 of moolight, then sets at 1:45 PM

Top Story

Crystal Lake Weather Report

Chicago: Late-Week Storms to Bring Cooler Weather

April 23, 2014; 3:31 AM ET

Some cooler weather is in store for Chicago this week as thunderstorms roll into the area around late week. 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?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps