• Today

    Jul 29

    78°Lo 56°

    An afternoon thunderstorm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      80°
    • UV
      7 - High
    • Cloud
      Cover
      38%
    more
  • Wed

    Jul 30

    77°Lo 56°

    Clouds and sun with a shower

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      82°
    • UV
      7 - High
    • Cloud
      Cover
      54%
    more
  • Thu

    Jul 31

    81°Lo 58°

    Thunderstorm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      83°
    • UV
      7 - High
    • Cloud
      Cover
      30%
  • Fri

    Aug 1

    80°Lo 58°

    Periods of sun with a t-storm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      85°
    • UV
      7 - High
    • Cloud
      Cover
      54%
    more
  • Sat

    Aug 2

    82°Lo 56°

    Partly sunny with a t-storm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      85°
    • UV
      7 - High
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 67° 72° 75° 77° 79° 80° 81° 80°
RealFeel® 68° 74° 79° 81° 83° 83° 83° 81°
Humidity 73% 65% 58% 54% 50% 49% 48% 50%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
10%
 
11%
 
14%
 
14%
 
18%
 
33%
 
33%
 
36%
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) 5 WSW 6 WSW 7 WSW 7 WSW 8 WSW 7 WSW 7 WSW 7 WSW
UV Index 3 4 6 7 7 7 6 4
Cloud Cover 11% 11% 11% 11% 11% 46% 46% 46%
Dew Point 58° 59° 60° 59° 59° 59° 60° 59°
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

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 81° 81° N/A 74°
Low 58° 60° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:45 AM with 14:29 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:18 AM with 12:01 of moolight, then sets at 10:19 PM

Top Story

Crystal Lake Weather Report

Chicago: Cooler and Pleasant for New Week

July 29, 2014; 4:28 AM ET

Cooler-than-normal temperatures are in store for Chicago this week. more >

Battling the Common Cold

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

Thu. Sinus Headache

Thu. UV Index