• Early AM

    Sep 21

    Lo 57°

    A shower or thunderstorm

    Hair Frizz Weather
    • Wind
      Gust
      23 mph
    • Precip
      58%
    • Hours of Precip
      5
    more
  • Today

    Sep 21

    64°Lo 41°

    Cooler; a shower this morning

    Advisory for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      55%
    • Hours of Precip
      1
    more
  • Mon

    Sep 22

    66°Lo 46°

    Mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      0%
    • Hours of Precip
      0
  • Tue

    Sep 23

    72°Lo 50°

    Mostly sunny and pleasant

    Advisory for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Wed

    Sep 24

    73°Lo 48°

    Sunny and pleasant

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      11%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 43° 41° 42° 46° 51° 57° 61° 62°
RealFeel® 41° 40° 41° 45° 51° 59° 66° 69°
Humidity 93% 93% 93% 85% 74% 64% 58% 54%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 4 NNW 3 NNW 3 NNW 4 NNW 4 NNW 5 N 5 NNW 5 NW
UV Index 0 0 0 0 1 2 4 5
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 41° 39° 40° 42° 43° 45° 46° 46°
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 - Sep 22

more Historical Weather Data >
  Today Normal Record 9/22/2013
High 66° 70° N/A 63°
Low 46° 46° N/A 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:11 of sunlight, then sets at 6:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:08 AM with 12:51 of moolight, then sets at 5:59 PM

Top Story

Crystal Lake Weather Report

Drier Air Heads into Chicago Following Storms

September 21, 2014; 2:42 AM ET

After storms clipped Chicagoland early Sunday, drier air will filter into the area for the rest of the week. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Mon. Hair Frizz

Mon. Wind Maps

Mon. UV Index