• Today

    Jul 31

    87°Lo 62°

    Sunny to partly cloudy

    Beneficial weather for migraines
    • Hi
      RealFeel
      87°
    • UV
      5 - High
    • Cloud
      Cover
      13%
  • Sat

    Aug 1

    85°Lo 66°

    Mostly sunny and comfortable

    Beneficial weather for migraines
    • Hi
      RealFeel
      87°
    • UV
      5 - High
    • Cloud
      Cover
      13%
    more
  • Sun

    Aug 2

    84°Lo 68°

    Partly sunny with a t-storm

    Beneficial weather for migraines
    • Hi
      RealFeel
      87°
    • UV
      5 - High
    • Cloud
      Cover
      51%
    more
  • Mon

    Aug 3

    84°Lo 61°

    A morning t-storm in spots

    Beneficial weather for migraines
    • Hi
      RealFeel
      86°
    • UV
      5 - High
    • Cloud
      Cover
      46%
    more
  • Tue

    Aug 4

    81°Lo 60°

    Nice with clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      84°
    • UV
      5 - High
    • Cloud
      Cover
      55%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
8am
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 70° 75° 80° 83° 84° 86° 86° 87°
RealFeel® 70° 76° 81° 85° 86° 86° 87° 87°
Humidity 68% 56% 48% 44% 40% 37% 37% 39%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
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Snow
 
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Ice
 
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 7 SW 9 SW 13 WSW 15 W 17 W 18 WNW 17 WNW 17 WNW
UV Index 1 3 4 6 7 7 7 6
Cloud Cover 0% 0% 0% 0% 0% 0% 26% 26%
Dew Point 60° 59° 59° 59° 57° 57° 57° 59°
Middle Grid line 90 F 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 - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 87° 81° N/A 83°
Low 62° 64° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:29 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:14 PM with 10:59 of moolight, then sets at 7:13 AM

Island Lake Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 12:46 AM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. more >

Fri. Migraine Headache

Fri. UV Index