• Tonight

    May 27

    Lo 67°

    A couple of thunderstorms

    Common Cold Weather
    • Avg
      Temp
      74°
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      84°
  • Sat

    May 28

    79°Lo 64°

    A thunderstorm in spots

    Beneficial weather for colds
    • Avg
      Temp
      72°
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      81°
    more
  • Sun

    May 29

    80°Lo 61°

    Periods of clouds and sun

    Beneficial weather for colds
    • Avg
      Temp
      71°
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      82°
    more
  • Mon

    May 30

    82°Lo 60°

    A p.m. t-storm in spots

    Beneficial weather for colds
    • Avg
      Temp
      71°
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      89°
    more
  • Tue

    May 31

    81°Lo 64°

    A p.m. t-storm in spots

    Beneficial weather for colds
    • Avg
      Temp
      73°
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      86°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Mostly Cloudy
Cloudy
Mostly Cloudy
Cloudy
Cloudy
T-storms
T-storms
T-storms
Temp (°F) 74° 74° 77° 79° 80° 80° 77° 74°
RealFeel® 77° 78° 82° 84° 84° 81° 75° 73°
Humidity 70% 80% 75% 68% 67% 68% 73% 79%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
35%
 
17%
 
17%
 
22%
 
49%
 
59%
 
62%
 
63%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 9 S 9 SSW 10 S 12 SSE 13 SSE 14 SSE 14 S 13 S
UV Index 3 3 5 5 5 4 2 2
Cloud Cover 89% 91% 84% 90% 90% 85% 94% 96%
Dew Point 64° 67° 68° 67° 68° 69° 67° 67°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2015
High 80° 74° N/A 74°
Low 67° 52° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:21 AM with 14:58 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:07 AM with 10:31 of moolight, then sets at 10:38 AM

Island Lake Weather Report

Chicago: Heat, humidity to unfold for Memorial Day

May 27, 2016; 5:40 PM ET

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

Flu Season is Just Around the Corner

Sep 11, 2012; 2:00 PM ET The peak of flu season may not be until January, but preparations should begin now. Adrienne Veilleux has more.

Fri. Cold & Flu

Fri. UV Index