• Early AM

    Dec 27

    Lo 45°

    A little rain

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Today

    Dec 27

    47°Lo 24°

    A little morning rain; cloudy

    Very Unlikely for a snow day
    • Snow
      1%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Dec 28

    36°Lo 24°

    Partly sunny and cold

    Very Unlikely for a snow day
    • Snow
      9%
    • Ice
      0%
    • Snow
      0 in
  • Mon

    Dec 29

    33°Lo 13°

    Mostly cloudy and cold

    Very Unlikely for a snow day
    • Snow
      10%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Dec 30

    22°Lo 8°

    Colder with periods of sun

    Very Unlikely for a snow day
    • Snow
      16%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 26° 25° 24° 24° 25° 27° 30° 32°
RealFeel® 22° 22° 23° 22° 23° 27° 32° 34°
Humidity 79% 80% 80% 81% 80% 74% 68% 64%
   
  4am 5am 6am 7am 8am 9am 10am 11am
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%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 6 WNW 5 WNW 5 WNW 5 WNW 5 WNW 5 WNW 5 WNW 5 WNW
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 26% 26% 26% 10% 10% 10% 10% 10%
Dew Point 20° 19° 19° 19° 19° 20° 21° 21°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 28

more Historical Weather Data >
  Today Normal Record 12/28/2013
High 36° 31° 61° (1984) 48°
Low 24° 15° -2° (1993) 33°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:22 AM with 9:13 of sunlight, then sets at 4:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:40 AM with 12:56 of moolight, then sets at 12:36 AM

Peru Weather Report

Chicago: Wash of Showers for Post-Holiday Weekend Travel

December 27, 2014; 1:30 AM ET

As holiday travelers head home from the Chicago area, conditions will feel colder with the chance of some showers over the weekend. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Sun. Snow Day Potential