• Early AM

    Apr 23

    Lo 32°

    Partly cloudy

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

    Apr 23

    53°Lo 38°

    An afternoon shower or two

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

    Apr 24

    62°Lo 43°

    A 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 with a shower

    Low indoor dust & dander levels
    • Precip
      40%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      26%
    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
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Showers
Showers
Temp (°F) 49° 51° 52° 53° 52° 51° 49° 45°
RealFeel® 55° 58° 56° 55° 51° 49° 44° 39°
Humidity 43% 39% 37% 36% 36% 38% 45% 62%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
0%
 
0%
 
24%
 
24%
 
29%
 
49%
 
51%
 
54%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 6 ENE 6 ENE 6 ENE 7 E 7 E 7 E 7 E 7 ENE
UV Index 5 6 5 4 2 1 1 0
Cloud Cover 66% 65% 95% 95% 95% 98% 99% 99%
Dew Point 28° 27° 26° 27° 26° 27° 29° 33°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 23

more Historical Weather Data >
  Today Normal Record 4/23/2013
High 53° 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 22, 2014; 2:31 PM 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