• Tonight

    Apr 1

    Lo 51°

    A couple of showers late

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      68°
    • Wind
      Speed
      12 mph
  • Thu

    Apr 2

    64°Lo 38°

    A couple of morning t-storms

    Poor for home energy
    • Avg
      RealFeel
      48°
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      10 mph
    more
  • Fri

    Apr 3

    46°Lo 23°

    Rain, then snow late; colder

    Fair for home energy
    • Avg
      RealFeel
      28°
    • Hi
      RealFeel
      38°
    • Wind
      Speed
      12 mph
    more
  • Sat

    Apr 4

    55°Lo 36°

    Mostly sunny and breezy

    Fair for home energy
    • Avg
      RealFeel
      39°
    • Hi
      RealFeel
      51°
    • Wind
      Speed
      17 mph
    more
  • Sun

    Apr 5

    56°Lo 41°

    A morning shower or two

    Fair for home energy
    • Avg
      RealFeel
      43°
    • Hi
      RealFeel
      54°
    • Wind
      Speed
      13 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Clear
Clear
Mostly Clear
Mostly Clear
Clear
Clear
Sunny
Partly Cloudy
Temp (°F) 40° 39° 38° 37° 35° 33° 35° 42°
RealFeel® 39° 38° 38° 37° 36° 35° 36° 44°
Humidity 79% 79% 80% 82% 86% 88% 83% 74%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 N 5 NNE 5 NNE 4 N 4 NE 4 NE 4 NNE 4 ENE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 2% 25% 25% 0% 0% 0% 71%
Dew Point 33° 33° 32° 32° 31° 30° 30° 34°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Apr 1

more Historical Weather Data >
  Today Normal Record 4/1/2014
High 68° 50° N/A 55°
Low 51° 33° N/A 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:43 of sunlight, then sets at 7:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:54 PM with 12:45 of moolight, then sets at 5:39 AM

Round Lake Weather Report

Chicago: Mild, Wet Week Ahead

April 1, 2015; 6:30 PM ET

Though it will be a mild week for the Chicago area, thunderstorms, showers and even the chance for snow loom late in 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