• Today

    Sep 1

    89°Lo 68°

    Hazy with a t-storm in spots

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      40%
    • Hi
      RealFeel
      96°
  • Wed

    Sep 2

    89°Lo 67°

    Fog in the a.m.; partly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      16%
    • Hi
      RealFeel
      96°
    more
  • Thu

    Sep 3

    87°Lo 67°

    Partly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      15%
    • Hi
      RealFeel
      96°
    more
  • Fri

    Sep 4

    87°Lo 65°

    Sunny, very warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      96°
    more
  • Sat

    Sep 5

    84°Lo 62°

    Mostly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      89°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Fog
Hazy
Hazy
Hazy
Hazy
T-storms
Hazy
T-storms
Temp (°F) 68° 71° 75° 80° 83° 84° 87° 87°
RealFeel® 68° 74° 80° 88° 93° 90° 95° 91°
Humidity 92% 88% 78% 73% 69% 64% 57% 57%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
1%
 
14%
 
14%
 
18%
 
47%
 
51%
 
43%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 4 SSW 5 SSW 6 SSW 7 SSW 7 SSW 8 SSW 8 SSW 9 SW
UV Index 0 1 2 3 5 5 6 5
Cloud Cover 0% 48% 26% 8% 12% 70% 17% 70%
Dew Point 66° 68° 68° 70° 72° 71° 70° 70°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 89° 78° N/A 82°
Low 68° 60° N/A 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:10 of sunlight, then sets at 7:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:20 PM with 13:35 of moolight, then sets at 10:55 AM

Round Lake Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 4:41 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration