• Early AM

    Apr 24

    Lo 38°

    A brief shower or two

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

    Apr 24

    63°Lo 46°

    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 43°

    Partly sunny and breezy

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

    Apr 26

    54°Lo 43°

    Partly sunny and cooler

    Moderate indoor dust & dander levels
    • Precip
      22%
    • Wind
      Speed
      11 mph
    • Cloud
      Cover
      26%
    more
  • Sun

    Apr 27

    58°Lo 51°

    Mostly cloudy, rain possible

    Moderate indoor dust & dander levels
    • Precip
      35%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      93%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 50° 55° 59° 61° 63° 65° 67° 66°
RealFeel® 44° 52° 58° 60° 63° 65° 66° 65°
Humidity 65% 59% 52% 46% 40% 36% 34% 33%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
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%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 13 NW 13 WNW 14 WNW 14 WNW 14 WNW 14 WNW 14 WNW 14 W
UV Index 2 4 5 6 7 6 5 4
Cloud Cover 33% 26% 26% 26% 26% 26% 26% 26%
Dew Point 39° 41° 42° 40° 39° 37° 37° 36°
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 Middle Grid line 45 F

Temperature History - Apr 25

more Historical Weather Data >
  Today Normal Record 4/25/2013
High 67° 60° N/A 50°
Low 43° 38° N/A 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:57 AM with 13:49 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:50 AM with 12:14 of moolight, then sets at 4:04 PM

Top Story

Crystal Lake Weather Report

Chicago: Late-Week Storms to Bring Cooler Weather

April 24, 2014; 4:21 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?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps