• Tonight

    Dec 20

    Lo 28°

    Overcast with a flurry late

    Bicycling Weather
    • Precip
      35%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Sun

    Dec 21

    39°Lo 32°

    Mostly cloudy with a flurry

    Poor for biking
    • Precip
      42%
    • Hours of Precip
      1
    • Wind
      Gust
      17 mph
    more
  • Mon

    Dec 22

    44°Lo 40°

    Mostly cloudy, afternoon rain

    Poor for biking
    • Precip
      75%
    • Hours of Precip
      3.5
    • Wind
      Gust
      22 mph
  • Tue

    Dec 23

    47°Lo 34°

    Cloudy with showers around

    Poor for biking
    • Precip
      60%
    • Hours of Precip
      1.5
    • Wind
      Gust
      14 mph
    more
  • Wed

    Dec 24

    39°Lo 28°

    Mostly cloudy, snow showers

    Poor for biking
    • Precip
      77%
    • Hours of Precip
      4.5
    • Wind
      Gust
      35 mph
    more
Next Previous
Hi 44° RealFeel® 32° Precipitation 75%

Day

N

E

S

W

  • SSE 15 mph
  • Gusts: 22 mph

Considerable cloudiness and breezy; a morning shower in spots, then afternoon rain

  • Max UV Index: 1 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs
Lo 40° RealFeel® 29° Precipitation 65%

Night

N

E

S

W

  • SSW 14 mph
  • Gusts: 22 mph

Breezy with periods of rain

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.25 in
  • Rain: 0.25 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Temperature History - Dec 22

more Historical Weather Data >
  Today Normal Record 12/22/2013
High 44° 34° N/A 34°
Low 40° 20° N/A 24°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:06 of sunlight, then sets at 4:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:28 AM with 10:05 of moolight, then sets at 5:33 PM

Northbrook Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 20, 2014; 4:16 AM ET

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

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.