• Today

    Dec 19

    32°Lo 21°

    Variable cloudiness

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

    Dec 20

    35°Lo 27°

    Mostly cloudy

    Very Unlikely for a snow day
    • Snow
      8%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Dec 21

    40°Lo 30°

    Mainly cloudy with a flurry

    Very Unlikely for a snow day
    • Snow
      43%
    • Ice
      0%
    • Snow
      0.03 in
  • Mon

    Dec 22

    41°Lo 37°

    Mostly cloudy, afternoon rain

    Very Unlikely for a snow day
    • Snow
      5%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Dec 23

    43°Lo 30°

    Showers of rain and snow

    Very Unlikely for a snow day
    • Snow
      52%
    • Ice
      0%
    • Snow
      0.15 in
    more
Next Previous
Hi 40° RealFeel® 30° Precipitation 43%

Day

N

E

S

W

  • SSE 12 mph
  • Gusts: 20 mph

Mainly cloudy with a flurry; watch for some freezing drizzle as well

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0.0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 0 hrs
Lo 30° RealFeel® 18° Precipitation 14%

Night

N

E

S

W

  • SSE 13 mph
  • Gusts: 18 mph

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 - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 40° 30° 57° (1967) 32°
Low 30° 15° -8° (2008) 25°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:20 AM with 9:05 of sunlight, then sets at 4:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:34 AM with 9:59 of moolight, then sets at 4:33 PM

Marengo Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 19, 2014; 2:16 PM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. 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.

Sun. Snow Day Potential