• Today

    Sep 30

    58°Lo 47°

    Mostly cloudy and cooler

    Very Good at the bus stop
    • T-storms
      0%
    • Precip
      4%
    • Wind
      Gust
      19 mph
  • Wed

    Oct 1

    71°Lo 58°

    Pleasant with clouds and sun

    Excellent at the bus stop
    • T-storms
      2%
    • Precip
      13%
    • Wind
      Gust
      12 mph
    more
  • Thu

    Oct 2

    74°Lo 57°

    A couple of thunderstorms

    Fair at the bus stop
    • T-storms
      40%
    • Precip
      61%
    • Wind
      Gust
      32 mph
    more
  • Fri

    Oct 3

    59°Lo 39°

    Cooler with brief showers

    Good at the bus stop
    • T-storms
      20%
    • Precip
      60%
    • Wind
      Gust
      21 mph
    more
  • Sat

    Oct 4

    52°Lo 38°

    Chance of a shower

    Very Good at the bus stop
    • T-storms
      15%
    • Precip
      30%
    • Wind
      Gust
      30 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 47° 48° 47° 49° 51° 52° 53° 55°
RealFeel® 38° 39° 38° 41° 44° 46° 50° 52°
Humidity 91% 89% 88% 84% 82% 81% 76% 71%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
34%
 
22%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 11 NE 10 NE 10 NE 10 ENE 10 NNE 10 NNE 9 ENE 10 ENE
UV Index 0 0 0 0 1 1 2 2
Cloud Cover 94% 90% 100% 99% 99% 98% 91% 89%
Dew Point 45° 45° 43° 44° 45° 46° 46° 46°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Sep 30

more Historical Weather Data >
  Today Normal Record 9/30/2013
High 58° 66° N/A 73°
Low 47° 42° N/A 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:49 AM with 11:48 of sunlight, then sets at 6:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:02 PM with 9:59 of moolight, then sets at 11:01 PM

Top Story

Crystal Lake Weather Report

Chicago: Mix of Sun, Storms Ahead as Temperatures Fluctuate

September 30, 2014; 11:50 AM ET

The Chicago area is set for a roller-coaster weather pattern over the next few days as temperatures rise and fall in between alternating sunny and stormy skies. more >

The AccuWeather RealFeel Temperature

May 17, 2012; 5:00 AM ET This product plays a big role as humidity rises.

Tue. Morning Bus Stop

Tue. UV Index

Tue. Wind Maps