• Thu

    Sep 18

    64°Lo 52°

    Occasional rain

    Ragweed Pollen Weather
    • Precip
      67%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      95%
    more
  • Fri

    Sep 19

    63°Lo 48°

    Rain tapering to a shower

    Ragweed Pollen Weather
    • Precip
      83%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      93%
  • Sat

    Sep 20

    67°Lo 52°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      69%
    more
  • Sun

    Sep 21

    66°Lo 47°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      4%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      37%
    more
  • Mon

    Sep 22

    68°Lo 56°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 63° RealFeel® 59° Precipitation 83%

Day

N

E

S

W

  • NW 9 mph
  • Gusts: 18 mph

Considerable cloudiness with rain ending, then a leftover shower

  • Max UV Index: 1 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.21 in
  • Rain: 0.21 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs
Lo 48° RealFeel® 46° Precipitation 22%

Night

N

E

S

W

  • W 6 mph
  • Gusts: 17 mph

Rather 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 - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 63° 71° N/A 81°
Low 48° 47° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:19 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:18 AM with 14:09 of moolight, then sets at 4:27 PM

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 >