• Tonight

    May 5

    Lo 40°

    Clear

    Common Cold Weather
    • Avg
      Temp
      52°
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      67°
    more
  • Fri

    May 6

    78°Lo 57°

    Mostly sunny and warmer

    Beneficial weather for colds
    • Avg
      Temp
      68°
    • Avg
      RealFeel
      67°
    • Hi
      RealFeel
      80°
  • Sat

    May 7

    63°Lo 38°

    Cooler; a morning t-storm

    Neutral weather for colds
    • Avg
      Temp
      51°
    • Avg
      RealFeel
      52°
    • Hi
      RealFeel
      65°
    more
  • Sun

    May 8

    69°Lo 44°

    A couple of afternoon showers

    Beneficial weather for colds
    • Avg
      Temp
      57°
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      73°
    more
  • Mon

    May 9

    65°Lo 56°

    Cloudy with a thunderstorm

    Neutral weather for colds
    • Avg
      Temp
      61°
    • Avg
      RealFeel
      57°
    • Hi
      RealFeel
      66°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Clear
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 45° 44° 45° 47° 52° 58° 64° 68°
RealFeel® 44° 42° 43° 46° 52° 59° 67° 72°
Humidity 78% 79% 91% 83% 73% 56% 48% 45%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 5 SW 5 WSW 5 WSW 6 WSW 7 WSW 8 WSW 9 WSW 9 WSW
UV Index 0 0 0 0 1 3 4 6
Cloud Cover 10% 7% 3% 0% 11% 11% 11% 11%
Dew Point 38° 38° 42° 42° 44° 43° 44° 46°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - May 6

more Historical Weather Data >
  Today Normal Record 5/6/2015
High 78° 64° N/A 67°
Low 57° 41° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:41 AM with 14:18 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:53 AM with 14:05 of moolight, then sets at 7:58 PM

Crystal Lake Weather Report

Chicago: Temperatures to soar late this week

May 5, 2016; 11:28 AM ET

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

Flu Season is Just Around the Corner

Sep 11, 2012; 2:00 PM ET The peak of flu season may not be until January, but preparations should begin now. Adrienne Veilleux has more.

Fri. Cold & Flu

Fri. UV Index