• Today

    Sep 4

    85°Lo 67°

    Clouds and sun with a t-storm

    Beneficial weather for migraines
    • Hi
      RealFeel
      99°
    • UV
      4 - Moderate
    • Cloud
      Cover
      50%
  • Sat

    Sep 5

    89°Lo 70°

    Partly sunny, warm and humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      99°
    • UV
      4 - Moderate
    • Cloud
      Cover
      29%
    more
  • Sun

    Sep 6

    90°Lo 72°

    Partly sunny, hot and humid

    Neutral weather for migraines
    • Hi
      RealFeel
      96°
    • UV
      5 - High
    • Cloud
      Cover
      32%
    more
  • Mon

    Sep 7

    82°Lo 66°

    Mostly cloudy with a t-storm

    Beneficial weather for migraines
    • Hi
      RealFeel
      86°
    • UV
      4 - Moderate
    • Cloud
      Cover
      81%
    more
  • Tue

    Sep 8

    79°Lo 64°

    Mainly cloudy with t-storms

    Beneficial weather for migraines
    • Hi
      RealFeel
      84°
    • UV
      4 - Moderate
    • Cloud
      Cover
      79%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Partly Cloudy
Partly Sunny
Partly Cloudy
Partly Sunny
T-storms
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 66° 67° 68° 70° 73° 76° 79° 81°
RealFeel® 65° 67° 71° 75° 79° 88° 91° 95°
Humidity 92% 90% 96% 90% 87% 82% 73% 68%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
5%
 
8%
 
43%
 
47%
 
51%
 
19%
 
15%
 
19%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 4 N 4 N 2 NNE 2 NNE 4 NNE 4 NNE 4 NE 4 NE
UV Index 0 0 1 2 3 4 5 5
Cloud Cover 49% 46% 54% 46% 46% 46% 46% 46%
Dew Point 63° 64° 67° 67° 69° 70° 69° 70°
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 - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 85° 77° N/A 80°
Low 67° 54° N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:21 AM with 13:01 of sunlight, then sets at 7:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:28 PM with 14:42 of moolight, then sets at 2:10 PM

Crystal Lake Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 4, 2015; 5:04 AM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

Fri. Migraine Headache

Fri. UV Index