• Today

    Jul 30

    76°Lo 55°

    A thunderstorm in spots

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

    Jul 31

    81°Lo 60°

    Thunderstorm

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

    Aug 1

    80°Lo 58°

    Clouds and sun with a t-storm

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

    Aug 2

    80°Lo 55°

    Partly sunny with a t-storm

    Low ragweed pollen levels
    • Precip
      59%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      54%
    more
  • Sun

    Aug 3

    82°Lo 58°

    Partly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      9%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Sunny
Partly Cloudy
Partly Sunny
Partly Sunny
T-storms
Temp (°F) 62° 65° 69° 72° 72° 74° 76° 75°
RealFeel® 62° 66° 72° 76° 77° 79° 81° 77°
Humidity 84% 76% 70% 65% 62% 59% 55% 60%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
7%
 
7%
 
6%
 
5%
 
5%
 
8%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 5 WSW 5 W 5 WNW 6 WNW 6 WNW 7 WNW 7 WNW 7 WNW
UV Index 1 2 4 6 6 7 7 5
Cloud Cover 53% 76% 50% 46% 70% 46% 46% 70%
Dew Point 57° 58° 59° 59° 59° 59° 59° 60°
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 - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2013
High 76° 81° N/A 73°
Low 55° 60° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:31 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:21 AM with 12:30 of moolight, then sets at 9:51 PM

Top Story

Crystal Lake Weather Report

Late-Week Thunderstorms in Store for Chicago

July 30, 2014; 4:08 AM ET

Thunderstorms will move into the Chicago area later this week, and the threat for storms will remain 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.

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps