• Today

    Jul 28

    88°Lo 73°

    Mostly sunny, warm and humid

    Poor for home energy
    • Avg
      RealFeel
      86°
    • Hi
      RealFeel
      96°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Jul 29

    84°Lo 59°

    A morning t-storm in the area

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      12 mph
  • Thu

    Jul 30

    85°Lo 63°

    Sunny and beautiful

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      10 mph
    more
  • Fri

    Jul 31

    87°Lo 62°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      12 mph
    more
  • Sat

    Aug 1

    84°Lo 61°

    Nice with plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      8 mph
    more
Next Previous
Hi 84° RealFeel® 90° Precipitation 40%

Day

N

E

S

W

  • WNW 12 mph
  • Gusts: 17 mph

Variably cloudy with a thunderstorm in spots in the morning, then mostly sunny in the afternoon

  • Max UV Index: 7 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.25 in
  • Rain: 0.25 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 59° RealFeel® 59° Precipitation 10%

Night

N

E

S

W

  • W 5 mph
  • Gusts: 14 mph

Clear to partly cloudy and cooler

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 29

more Historical Weather Data >
  Today Normal Record 7/29/2014
High 84° 83° N/A 80°
Low 59° 65° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:31 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:41 PM with 10:13 of moolight, then sets at 4:54 AM

St. Charles Weather Report

Chicago: Heat, Humidity to Build Through Midweek

July 28, 2015; 12:25 AM ET

While cooler than average temperatures started off the workweek in Chicago, it will not last long as the heat and humidity that will begin to build back in through the middle of the week. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index