• Tonight

    May 4

    Lo 40°

    Cloudy, breezy and chilly

    Running Weather
    • Precip
      54%
    • Hours of Precip
      0.5
    • Wind
      Gust
      29 mph
  • Thu

    May 5

    61°Lo 39°

    Clearing and warmer

    Excellent for running
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      17 mph
    more
  • Fri

    May 6

    76°Lo 57°

    Mostly sunny, nice and warm

    Excellent for running
    • Precip
      12%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Sat

    May 7

    63°Lo 38°

    Cooler with a thunderstorm

    Good for running
    • Precip
      59%
    • Hours of Precip
      3
    • Wind
      Gust
      20 mph
    more
  • Sun

    May 8

    68°Lo 48°

    Partly sunny and warmer

    Very Good for running
    • Precip
      1%
    • Hours of Precip
      1
    • Wind
      Gust
      14 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
8am
9am 10am 11am 12pm 1pm
  8am 9am 10am 11am 12pm 1pm
Forecast
Partly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 46° 47° 48° 49° 50° 50°
RealFeel® 38° 39° 41° 42° 44° 45°
Humidity 70% 65% 61% 59% 60% 62%
   
  8am 9am 10am 11am 12pm 1pm
Rain
 
25%
 
25%
 
24%
 
20%
 
20%
 
25%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm
Wind (mph) 13 N 14 N 15 NNW 16 NNW 16 NNW 16 NNW
UV Index 1 2 2 2 2 3
Cloud Cover 70% 87% 93% 97% 99% 99%
Dew Point 36° 35° 35° 35° 37° 37°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 51° 62° N/A 69°
Low 40° 44° N/A 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:13 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:33 AM with 12:55 of moolight, then sets at 5:28 PM

Round Lake Weather Report

Chicago: Temperatures to soar late this week

May 4, 2016; 12:55 PM ET

Temperatures will soar into the 70s by late in the week in the Chicago area. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.