• Today

    Aug 1

    81°Lo 55°

    A thunderstorm this afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Sat

    Aug 2

    84°Lo 58°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Aug 3

    82°Lo 62°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Aug 4

    82°Lo 61°

    Clouds and sun with a t-storm

    Low ragweed pollen levels
    • Precip
      56%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      52%
    more
  • Tue

    Aug 5

    81°Lo 63°

    Chance of a thunderstorm

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      68%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Partly Sunny
Partly Sunny
T-storms
Partly Sunny
Partly Sunny
T-storms
Partly Cloudy
Partly Cloudy
Temp (°F) 80° 80° 72° 72° 71° 71° 68° 65°
RealFeel® 85° 81° 72° 71° 68° 68° 66° 62°
Humidity 51% 52% 87% 79% 77% 75% 74% 78%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
26%
 
47%
 
51%
 
47%
 
47%
 
51%
 
47%
 
32%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 3 SE 3 SE 3 SSE 3 SSE 3 SSE 2 SSE 1 SE 1 W
UV Index 4 3 1 0 0 0 0 0
Cloud Cover 46% 46% 70% 46% 46% 46% 46% 46%
Dew Point 61° 61° 68° 65° 63° 63° 60° 58°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2013
High 81° 80° N/A 74°
Low 55° 60° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:27 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:17 AM with 11:32 of moolight, then sets at 10:49 PM

Top Story

Crystal Lake Weather Report

Chicago: Showers, Thunderstorms to Linger into Next Week

August 1, 2014; 4:57 AM ET

Clouds and the chance for thunderstorms will continue to linger in the Chicago area into the weekend. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps