• Today

    Jul 31

    81°Lo 58°

    A thunderstorm in spots

    Beneficial weather for colds
    • Avg
      Temp
      70°
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      83°
    more
  • Fri

    Aug 1

    81°Lo 58°

    A t-storm in the afternoon

    Beneficial weather for colds
    • Avg
      Temp
      70°
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      88°
    more
  • Sat

    Aug 2

    81°Lo 55°

    Some sun with a thunderstorm

    Beneficial weather for colds
    • Avg
      Temp
      68°
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      88°
    more
  • Sun

    Aug 3

    82°Lo 60°

    Partly sunny and pleasant

    Beneficial weather for colds
    • Avg
      Temp
      71°
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      90°
    more
  • Mon

    Aug 4

    82°Lo 62°

    A thunderstorm possible

    Beneficial weather for colds
    • Avg
      Temp
      72°
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      90°
Next Previous
Partly to mostly cloudy 76° Lo 68° RealFeel® 74° / 65°

N

E

S

W

  • Precipitation: 18%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 73%
  • Cloud Cover: 69%
  • Dew Point: 62° F
  • Visibility: 10 mi
4 mph

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2013
High 82° 80° N/A 72°
Low 62° 60° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:20 of sunlight, then sets at 8:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:20 PM with 10:17 of moolight, then sets at 12:37 AM

Top Story

Crystal Lake Weather Report

Late-Week Thunderstorms in Store for Chicago

July 31, 2014; 2:58 AM ET

Thunderstorms will move into the Chicago area later this week, and the threat for storms will remain into the weekend. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Mon. Cold & Flu

Mon. UV Index