• Today

    Sep 2

    80°Lo 58°

    An a.m. shower; partly sunny

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

    Sep 3

    83°Lo 69°

    Partly sunny

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

    Sep 4

    89°Lo 70°

    Mostly cloudy, warm and humid

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

    Sep 5

    75°Lo 56°

    A couple of t-storms; cooler

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

    Sep 6

    71°Lo 52°

    Mostly sunny and pleasant

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 83° RealFeel® 84° Precipitation 11%

Day

N

E

S

W

  • SSW 7 mph
  • Gusts: 13 mph

Partly sunny

  • Max UV Index: 6 (High)
  • Thunderstorms: 14%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 69° RealFeel® 65° Precipitation 55%

Night

N

E

S

W

  • SSW 7 mph
  • Gusts: 11 mph

Mostly cloudy, warm and humid; a thunderstorm late

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.16 in
  • Rain: 0.16 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2013
High 83° 77° N/A 76°
Low 69° 59° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:04 of sunlight, then sets at 7:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:08 PM with 10:00 of moolight, then sets at 1:08 AM

Top Story

Round Lake Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 2, 2014; 2:42 PM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the week. 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

Wed. Snow Day Potential