• Fri

    Jan 2

    33°Lo 30°

    Warmer; a bit of p.m. snow

    Watch for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      55%
    • Hours of Precip
      7
    more
  • Sat

    Jan 3

    39°Lo 26°

    Breezy with snow and rain

    Warning for hair frizz
    • Wind
      Gust
      25 mph
    • Precip
      75%
    • Hours of Precip
      5.5
    more
  • Sun

    Jan 4

    27°Lo 16°

    Colder with clouds and sun

    Advisory for hair frizz
    • Wind
      Gust
      28 mph
    • Precip
      18%
    • Hours of Precip
      0
  • Mon

    Jan 5

    24°Lo 12°

    Cloudy, a little snow; cold

    Unlikely for hair frizz
    • Wind
      Gust
      25 mph
    • Precip
      64%
    • Hours of Precip
      2
    more
  • Tue

    Jan 6

    20°Lo 6°

    Very cold with clouds and sun

    Unlikely for hair frizz
    • Wind
      Gust
      30 mph
    • Precip
      40%
    • Hours of Precip
      2
    more
Next Previous
Hi 27° RealFeel® 15° Precipitation 18%

Day

N

E

S

W

  • N 14 mph
  • Gusts: 28 mph

Colder with times of sun and clouds

  • Max UV Index: 1 (Low)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 16° RealFeel® -1° Precipitation 25%

Night

N

E

S

W

  • W 15 mph
  • Gusts: 29 mph

Mostly cloudy

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

Temperature History - Jan 4

more Historical Weather Data >
  Today Normal Record 1/4/2014
High 27° 31° 61° (1997) 31°
Low 16° 17° -14° (1884) 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:20 AM with 9:14 of sunlight, then sets at 4:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:34 PM with 14:41 of moolight, then sets at 7:15 AM

Chicago Weather Report

Chicago: Temperatures to Tumble as Year Comes to an End

December 28, 2014; 12:22 PM ET

Temperatures are set to tumble this week across Chicagoland, putting a harsh chill on the final days of 2014. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.