• Today

    May 27

    80°Lo 67°

    A couple of thunderstorms

    At Risk weather for asthma
    • Hi
      RealFeel
      84°
    • UV
      5 - High
    • Air Qual.
      Good
  • Sat

    May 28

    78°Lo 67°

    A thunderstorm in spots

    At High Risk weather for asthma
    • Hi
      RealFeel
      79°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
    more
  • Sun

    May 29

    82°Lo 60°

    Periods of clouds and sun

    Neutral weather for asthma
    • Hi
      RealFeel
      83°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Mon

    May 30

    83°Lo 59°

    An afternoon t-storm or two

    At High Risk weather for asthma
    • Hi
      RealFeel
      90°
    • UV
      7 - Very High
    • Air Qual.
      Unhealthy
      (Sensitive)
    more
  • Tue

    May 31

    80°Lo 60°

    A p.m. t-storm in spots

    Neutral weather for asthma
    • Hi
      RealFeel
      84°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
T-storms
Partly Cloudy
T-storms
Partly Cloudy
Temp (°F) 73° 72° 76° 79° 79° 80° 77° 76°
RealFeel® 78° 79° 81° 84° 81° 83° 76° 76°
Humidity 83% 86% 75% 69% 70% 65% 71% 69%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
17%
 
17%
 
22%
 
48%
 
52%
 
44%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 10 S 12 SSW 12 SSW 12 SSW 12 S 10 S 10 S 9 SSE
UV Index 5 5 6 5 4 3 2 1
Cloud Cover 80% 70% 70% 70% 70% 70% 70% 70%
Dew Point 67° 68° 67° 68° 69° 67° 67° 65°
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; 5:05 AM ET

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

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index