• Today

    Sep 1

    89°Lo 67°

    Fog in the morning; hazy sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Cloud
      Cover
      32%
  • Wed

    Sep 2

    89°Lo 67°

    Fog in the a.m.; partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Cloud
      Cover
      37%
    more
  • Thu

    Sep 3

    89°Lo 66°

    Warm and humid with sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      99°
    • UV
      5 - High
    • Cloud
      Cover
      27%
    more
  • Fri

    Sep 4

    89°Lo 65°

    Mostly sunny, warm and humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      99°
    • UV
      5 - High
    • Cloud
      Cover
      22%
    more
  • Sat

    Sep 5

    87°Lo 63°

    Mostly sunny, warm and humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      96°
    • UV
      5 - High
    • Cloud
      Cover
      25%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
5pm
6pm 7pm 8pm 9pm 10pm 11pm Wed
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Hazy
Hazy
Hazy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 87° 85° 82° 79° 77° 75° 73° 73°
RealFeel® 91° 89° 85° 82° 80° 78° 75° 74°
Humidity 57% 63% 67% 72% 79% 81% 82% 84%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
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0%
 
0%
Snow
 
0%
 
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Ice
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 9 SW 8 SW 6 SSW 5 SSW 5 SSW 5 SSW 5 SSW 5 SW
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 37% 31% 31% 11% 11% 11% 17% 25%
Dew Point 70° 71° 70° 69° 70° 69° 68° 68°
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

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 89° 80° N/A 83°
Low 67° 61° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:08 of sunlight, then sets at 7:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:21 PM with 13:34 of moolight, then sets at 10:55 AM

St. Charles Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 4:41 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >

Tue. Migraine Headache

Tue. UV Index