• Wed

    Sep 3

    83°Lo 67°

    Partly sunny and very warm

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      26%
    more
  • Thu

    Sep 4

    85°Lo 66°

    Partly sunny, warm and humid

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      55%
    more
  • Fri

    Sep 5

    83°Lo 56°

    A strong t-storm in spots

    Ragweed Pollen Weather
    • Precip
      40%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      75%
  • Sat

    Sep 6

    75°Lo 61°

    An afternoon t-storm or two

    Ragweed Pollen Weather
    • Precip
      76%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      97%
    more
  • Sun

    Sep 7

    85°Lo 58°

    A t-storm around in the a.m.

    Ragweed Pollen Weather
    • Precip
      40%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      58%
    more
Next Previous
Hi 83° RealFeel® 91° Precipitation 40%

Day

N

E

S

W

  • N 4 mph
  • Gusts: 18 mph

Mostly cloudy, warm and humid with a strong thunderstorm in spots

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 95%
  • Precipitation: 0.21 in
  • Rain: 0.21 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 56° RealFeel® 47° Precipitation 70%

Night

N

E

S

W

  • ENE 11 mph
  • Gusts: 23 mph

Watch for strong thunderstorms

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.91 in
  • Rain: 0.91 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2013
High 83° 77° N/A 71°
Low 56° 54° N/A 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:22 AM with 12:59 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:51 PM with 10:33 of moolight, then sets at 3:24 AM

Top Story

Crystal Lake Weather Report

Chicago: Thunderstorms May Dampen Labor Day Plans

August 29, 2014; 2:08 AM ET

Thunderstorms and showers will persist in the Chicago area throughout the holiday weekend, bringing the risk of disrupting outdoor activities and weekend plans. more >