• Tonight

    May 28

    Lo 63°

    Strong evening thunderstorms

    Sinus Headache Weather
    • Hi
      RealFeel
      82°
    • UV
      4 - Moderate
    • Cloud
      Cover
      84%
  • Sun

    May 29

    79°Lo 61°

    Partly sunny and warm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      79°
    • UV
      5 - High
    • Cloud
      Cover
      55%
    more
  • Mon

    May 30

    83°Lo 58°

    Partly sunny and very warm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      87°
    • UV
      7 - Very High
    • Cloud
      Cover
      27%
    more
  • Tue

    May 31

    80°Lo 63°

    A p.m. t-storm in spots

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      83°
    • UV
      4 - Moderate
    • Cloud
      Cover
      76%
    more
  • Wed

    Jun 1

    77°Lo 60°

    A couple of thunderstorms

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      82°
    • UV
      4 - Moderate
    • Cloud
      Cover
      90%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8am
9am 10am 11am
  8am 9am 10am 11am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 69° 70° 71° 73°
RealFeel® 66° 68° 70° 73°
Humidity 84% 80% 77% 74%
   
  8am 9am 10am 11am
Rain
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am
Wind (mph) 15 S 15 S 16 S 17 S
UV Index 1 1 2 3
Cloud Cover 93% 97% 96% 95%
Dew Point 64° 63° 64° 65°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 80° 74° N/A 81°
Low 63° 52° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:21 AM with 15:00 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:47 AM with 10:56 of moolight, then sets at 11:43 AM

Crystal Lake Weather Report

Chicago: Heat, humidity to unfold for Memorial Day

May 28, 2016; 11:00 PM ET

The unofficial start of summer will feel like the upcoming season on Monday in the Chicago area. more >

Sat. Sinus Headache

Sat. UV Index