• Today

    May 23

    78°Lo 55°

    Warmer with clouds and sun

    Excellent for running
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
  • Sun

    May 24

    78°Lo 64°

    Mostly cloudy, a few showers

    Very Good for running
    • Precip
      60%
    • Hours of Precip
      3.5
    • Wind
      Gust
      15 mph
    more
  • Mon

    May 25

    78°Lo 64°

    Thundershower

    Good for running
    • Precip
      56%
    • Hours of Precip
      2
    • Wind
      Gust
      32 mph
    more
  • Tue

    May 26

    73°Lo 60°

    Some rain and a thunderstorm

    Fair for running
    • Precip
      61%
    • Hours of Precip
      5
    • Wind
      Gust
      33 mph
    more
  • Wed

    May 27

    79°Lo 55°

    A couple of t-storms possible

    Fair for running
    • Precip
      35%
    • Hours of Precip
      0
    • Wind
      Gust
      17 mph
    more
Next Previous
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  Sat
5am
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  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Clear
Mostly Sunny
Mostly Sunny
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 48° 50° 53° 57° 60° 66° 71° 73°
RealFeel® 49° 49° 53° 59° 64° 70° 77° 79°
Humidity 64% 63% 66% 57% 50% 43% 39% 35%
   
  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%
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 4 NNE 5 NNE 6 NNE 5 S 6 SSE 7 SSE 7 S 8 S
UV Index 0 0 0 1 3 4 6 7
Cloud Cover 26% 27% 29% 51% 46% 47% 47% 48%
Dew Point 36° 37° 42° 42° 41° 43° 45° 44°
Middle Grid line 75 F 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

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 78° 69° N/A 67°
Low 55° 47° N/A 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:25 AM with 14:50 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:41 AM with 14:00 of moolight, then sets at 12:41 AM

Crystal Lake Weather Report

Chicago: Unsettled Weather to Kick Off the Week

May 23, 2015; 10:20 AM ET

Unsettled weather will kick off the week in the Chicago area, threatening outdoor Memorial Day barbecues and picnics. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.