• Today

    Sep 3

    88°Lo 66°

    An afternoon thunderstorm

    Beneficial weather for migraines
    • Hi
      RealFeel
      94°
    • UV
      4 - Moderate
    • Cloud
      Cover
      57%
    more
  • Fri

    Sep 4

    85°Lo 68°

    Clouds and sun with a t-storm

    Beneficial weather for migraines
    • Hi
      RealFeel
      96°
    • UV
      4 - Moderate
    • Cloud
      Cover
      50%
    more
  • Sat

    Sep 5

    87°Lo 69°

    Partly sunny, warm and humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      96°
    • UV
      4 - Moderate
    • Cloud
      Cover
      29%
    more
  • Sun

    Sep 6

    89°Lo 71°

    Partly sunny, warm and humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      91°
    • UV
      5 - High
    • Cloud
      Cover
      32%
  • Mon

    Sep 7

    84°Lo 66°

    Mostly cloudy with a t-storm

    Beneficial weather for migraines
    • Hi
      RealFeel
      89°
    • UV
      4 - Moderate
    • Cloud
      Cover
      81%
    more
Next Previous
Hi 89° RealFeel® 91° Precipitation 15%

Day

N

E

S

W

  • S 10 mph
  • Gusts: 15 mph

Partly sunny, very warm and humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 6%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 71° RealFeel® 70° Precipitation 55%

Night

N

E

S

W

  • SSW 9 mph
  • Gusts: 15 mph

Becoming cloudy, very warm and humid; a passing shower late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 6

more Historical Weather Data >
  Today Normal Record 9/6/2014
High 89° 76° N/A 72°
Low 71° 53° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 12:56 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:17 AM with 14:48 of moolight, then sets at 3:05 PM

Crystal Lake Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 3, 2015; 12:03 PM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

Sun. Migraine Headache

Sun. UV Index