• Tonight

    Feb 11

    Lo 8°

    Some clouds; very cold

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      13°
    • Hi
      RealFeel
      22°
    • Wind
      Speed
      6 mph
  • Fri

    Feb 12

    22°Lo 0°

    Clouds breaking and very cold

    Excellent for home energy
    • Avg
      RealFeel
      -6°
    • Hi
      RealFeel
    • Wind
      Speed
      16 mph
    more
  • Sat

    Feb 13

    14°Lo 0°

    Mostly sunny and frigid

    Excellent for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
    • Wind
      Speed
      9 mph
    more
  • Sun

    Feb 14

    20°Lo 17°

    A little afternoon snow

    Very Good for home energy
    • Avg
      RealFeel
    • Hi
      RealFeel
    • Wind
      Speed
      9 mph
    more
  • Mon

    Feb 15

    31°Lo 19°

    Not as cold with low clouds

    Good for home energy
    • Avg
      RealFeel
      17°
    • Hi
      RealFeel
      24°
    • Wind
      Speed
      8 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Clear
Mostly Clear
Sunny
Sunny
Sunny
Sunny
Partly Sunny
Mostly Sunny
Temp (°F) 12° 15° 16° 18° 19°
RealFeel® -1° 10° 12° 15° 18°
Humidity 58% 62% 70% 55% 56% 56% 51% 48%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
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0%
 
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0%
Snow
 
0%
 
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0%
 
0%
 
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Ice
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 7 NNW 7 NNW 6 NNW 6 NNW 7 NNW 8 NNW 8 N 7 N
UV Index 0 0 0 0 1 2 2 3
Cloud Cover 26% 26% 0% 5% 5% 5% 41% 19%
Dew Point -3° -2° -2° -1°
Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F

Temperature History - Feb 11

more Historical Weather Data >
  Today Normal Record 2/11/2015
High 21° 34° N/A 35°
Low 19° N/A 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:55 AM with 10:26 of sunlight, then sets at 5:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:41 AM with 12:36 of moolight, then sets at 9:17 PM

St. Charles Weather Report

Chicago: Dangerous cold to hold through weekend

February 11, 2016; 6:20 PM ET

Conditions will continue to be dangerously cold into the weekend in the Chicago area. more >

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index