• Early AM

    May 5

    Lo 39°

    Mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      45°
    • Wind
      Speed
      15 mph
    more
  • Today

    May 5

    63°Lo 39°

    Turning sunny; warmer

    Poor for home energy
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      4 mph
    more
  • Fri

    May 6

    77°Lo 58°

    Mostly sunny, nice and warm

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      8 mph
  • Sat

    May 7

    64°Lo 38°

    Cooler; a morning t-storm

    Poor for home energy
    • Avg
      RealFeel
      45°
    • Hi
      RealFeel
      63°
    • Wind
      Speed
      13 mph
    more
  • Sun

    May 8

    69°Lo 48°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 43° 39° 41° 43° 43° 45° 47° 51°
RealFeel® 44° 40° 42° 42° 43° 44° 47° 52°
Humidity 87% 92% 82% 80% 79% 89% 84% 78%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 2 SW 4 SW 4 WSW 5 WSW 5 SW 5 SW 5 SW 6 SW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 10% 10% 10% 10% 10% 10% 10% 11%
Dew Point 39° 37° 36° 37° 37° 42° 42° 45°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - May 6

more Historical Weather Data >
  Today Normal Record 5/6/2015
High 77° 64° N/A 67°
Low 58° 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; 1:58 AM ET

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

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index