• Tonight

    May 27

    Lo 65°

    A couple of thunderstorms

    Sinus Headache Weather
    • Hi
      RealFeel
      84°
    • UV
      4 - Moderate
    • Cloud
      Cover
      84%
    more
  • Sat

    May 28

    76°Lo 63°

    A p.m. t-storm in spots

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      79°
    • UV
      4 - Moderate
    • Cloud
      Cover
      70%
  • Sun

    May 29

    78°Lo 62°

    Partly sunny, warm and muggy

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

    May 30

    80°Lo 59°

    A thunderstorm in spots

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      88°
    • UV
      7 - Very High
    • Cloud
      Cover
      33%
    more
  • Tue

    May 31

    77°Lo 63°

    A thunderstorm in spots

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      82°
    • UV
      5 - High
    • Cloud
      Cover
      58%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
T-storms
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 65° 67° 69° 70° 71° 73° 73° 74°
RealFeel® 60° 65° 67° 69° 72° 74° 75° 76°
Humidity 88% 83% 80% 78% 76% 74% 71% 70%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
51%
 
47%
 
20%
 
20%
 
20%
 
20%
 
20%
 
25%
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) 9 S 9 S 10 S 12 S 12 S 12 S 12 S 12 S
UV Index 0 0 1 2 3 4 4 4
Cloud Cover 94% 94% 70% 70% 70% 70% 70% 70%
Dew Point 62° 62° 62° 63° 64° 64° 63° 64°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 76° 74° N/A 81°
Low 63° 52° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:19 AM with 15:00 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:45 AM with 10:56 of moolight, then sets at 11:41 AM

Lake Forest 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 >

Sat. Sinus Headache

Sat. UV Index