• Today

    Sep 1

    82°Lo 62°

    A strong afternoon t-storm

    Good for lawn mowing
    • Hours of Precip
      2
    • Precip
      55%
    • Hi
      RealFeel
      85°
    more
  • Tue

    Sep 2

    81°Lo 59°

    Periods of sun; less humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      83°
  • Wed

    Sep 3

    85°Lo 71°

    Partly sunny

    Excellent for lawn mowing
    • Hours of Precip
      2
    • Precip
      17%
    • Hi
      RealFeel
      86°
    more
  • Thu

    Sep 4

    87°Lo 70°

    Partly sunny, warm and humid

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      25%
    • Hi
      RealFeel
      92°
    more
  • Fri

    Sep 5

    78°Lo 57°

    Mostly cloudy, t-storms; warm

    Poor for lawn mowing
    • Hours of Precip
      5
    • Precip
      67%
    • Hi
      RealFeel
      79°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Sunny
Temp (°F) 77° 79° 80° 81° 80° 79° 77° 73°
RealFeel® 81° 82° 83° 82° 80° 77° 74° 70°
Humidity 58% 53% 50% 49% 49% 52% 55% 62%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
0%
 
1%
 
7%
 
7%
 
7%
 
7%
 
7%
 
5%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 6 WSW 6 WSW 6 WSW 6 WSW 6 WSW 6 WSW 5 WSW 4 WSW
UV Index 5 6 5 4 3 2 1 0
Cloud Cover 46% 46% 46% 46% 46% 46% 70% 46%
Dew Point 61° 60° 60° 60° 59° 60° 60° 60°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2013
High 81° 78° N/A 72°
Low 59° 55° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:07 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:11 PM with 9:59 of moolight, then sets at 12:10 AM

Top Story

Crystal Lake Weather Report

Severe Storms to Threaten Chicago on Labor Day

September 1, 2014; 4:02 AM ET

Chicago will become the target of severe thunderstorms as the Labor Day holiday weekend comes to an end, creating dangers for those with outdoor plans. 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?

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration