• Tonight

    Aug 20

    Lo 68°

    A shower or thunderstorm late

    Common Cold Weather
    • Avg
      Temp
      76°
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      87°
    more
  • Thu

    Aug 21

    85°Lo 72°

    A couple of thunderstorms

    Beneficial weather for colds
    • Avg
      Temp
      79°
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      94°
    more
  • Fri

    Aug 22

    90°Lo 71°

    Some sun with a thunderstorm

    Beneficial weather for colds
    • Avg
      Temp
      81°
    • Avg
      RealFeel
      88°
    • Hi
      RealFeel
      104°
    more
  • Sat

    Aug 23

    87°Lo 69°

    A p.m. t-storm possible

    Beneficial weather for colds
    • Avg
      Temp
      78°
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      97°
  • Sun

    Aug 24

    90°Lo 69°

    Very warm with clouds and sun

    Beneficial weather for colds
    • Avg
      Temp
      80°
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      97°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 74° 77° 79° 81° 83° 86° 87° 86°
RealFeel® 79° 84° 88° 91° 94° 97° 96° 94°
Humidity 88% 84% 79% 75% 70% 67% 66% 67%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
7%
 
8%
 
8%
 
8%
 
9%
 
9%
 
9%
 
8%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 SE 5 SSE 6 SSE 6 SSE 7 SSE 6 SSE 6 S 6 S
UV Index 2 3 4 5 6 5 4 3
Cloud Cover 70% 70% 70% 70% 70% 70% 70% 70%
Dew Point 70° 71° 72° 72° 73° 74° 74° 74°
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

Temperature History - Aug 23

more Historical Weather Data >
  Today Normal Record 8/23/2013
High 87° 79° N/A 79°
Low 69° 58° N/A 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:33 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:25 AM with 14:02 of moolight, then sets at 6:27 PM

Top Story

Crystal Lake Weather Report

Chicago: Threat of Thunderstorms Lingers After Heavy Rains Flood Wrigley Field

August 20, 2014; 10:50 PM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

Natural Ways To Combat Colds and Flu

Nov 30, 2012; 5:00 AM ET Flu season is here and will stick around until May. Here are a few natural remedies to ease pain and suffering.

Sat. Cold & Flu

Sat. UV Index