• 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%
    more
  • 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%
  • Mon

    Sep 22

    68°Lo 56°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 66° RealFeel® 66° Precipitation 4%

Day

N

E

S

W

  • NNW 6 mph
  • Gusts: 11 mph

Partly sunny

  • Max UV Index: 4 (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 47° RealFeel® 46° Precipitation 1%

Night

N

E

S

W

  • WNW 4 mph
  • Gusts: 11 mph

Clear

  • 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 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 66° 70° N/A 60°
Low 47° 46° N/A 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:14 of sunlight, then sets at 6:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:11 AM with 13:19 of moolight, then sets at 5:30 PM

Top Story

Crystal Lake Weather Report

Chicago: Thunderstorms May Dampen Labor Day Plans

August 29, 2014; 2:08 PM 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 >