• Tonight

    May 3

    Lo 59°

    A couple of thunderstorms

    Outdoor Barbecue Weather
    • Precip
      65%
    • Hi
      RealFeel
      78°
    • Wind
      Gust
      25 mph
    more
  • Mon

    May 4

    68°Lo 47°

    A couple of thunderstorms

    Fair for an outdoor bbq
    • Precip
      65%
    • Hi
      RealFeel
      68°
    • Wind
      Gust
      17 mph
  • Tue

    May 5

    59°Lo 48°

    Cloudy, a couple of t-storms

    Poor for an outdoor bbq
    • Precip
      60%
    • Hi
      RealFeel
      60°
    • Wind
      Gust
      13 mph
    more
  • Wed

    May 6

    72°Lo 56°

    Warmer with a shower or two

    Good for an outdoor bbq
    • Precip
      59%
    • Hi
      RealFeel
      78°
    • Wind
      Gust
      13 mph
    more
  • Thu

    May 7

    80°Lo 61°

    Mostly sunny and very warm

    Very Good for an outdoor bbq
    • Precip
      22%
    • Hi
      RealFeel
      82°
    • Wind
      Gust
      24 mph
    more
Next Previous
Hi 68° RealFeel® 68° Precipitation 65%

Day

N

E

S

W

  • NNE 9 mph
  • Gusts: 17 mph

Cloudy and not as warm with a couple of showers and a thunderstorm

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 55%
  • Precipitation: 0.55 in
  • Rain: 0.55 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 47° RealFeel® 37° Precipitation 69%

Night

N

E

S

W

  • NE 7 mph
  • Gusts: 10 mph

Considerable clouds with a couple of showers and a heavy thunderstorm, mainly later

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.71 in
  • Rain: 0.71 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 68° 62° N/A 54°
Low 47° 44° N/A 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:11 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:34 PM with 10:20 of moolight, then sets at 6:54 AM

Round Lake Beach Weather Report

Chicago: Temperature Roller Coaster in Store for New Week

May 3, 2015; 6:27 PM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. 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.

Mon. Outdoor Entertaining

Mon. Wind Maps

Mon. UV Index