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  • Mon

    Aug 17

    Mostly cloudy with a shower 75°Lo 65°
    more
  • Tue

    Aug 18

    Mainly cloudy and less humid 77°Lo 66°
    more
  • Wed

    Aug 19

    Brilliant sunshine 78°Lo 63°
    more
  • Thu

    Aug 20

    Cloudy 78°Lo 62°
    more
  • Fri

    Aug 21

    Cloudy 78°Lo 65°
Hi 78° RealFeel® 78° Precipitation 25%

Day

N

E

S

W

  • SW 5 mph
  • Gusts: 9 mph

Cloudy

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 65° RealFeel® 62° Precipitation 25%

Night

N

E

S

W

  • S 8 mph
  • Gusts: 14 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2014
High 78° 79° N/A 76°
Low 65° 58° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:38 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:43 PM with 10:36 of moolight, then sets at 11:19 PM

Crystal Lake Weather Report

Severe Weather to Invade Midwest on Sunday

August 2, 2015; 10:00 PM ET

A disturbance will swing across the Midwest and fire a round of severe thunderstorms to end the weekend. more >

ABC 7 Chicago Headlines

1 dead, several injured in Wood Dale tent collapse

One person died and several were injured when a tent collapsed at a community festival in the northwest suburbs Sunday afternoon.

Chicago Weather: Severe storms move through area Sunday

Lollapalooza ends early due to severe weather in area