• Fri

    Aug 14

    77°Lo 68°

    Partly sunny with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Aug 15

    80°Lo 69°

    Partly sunny and less humid

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      69%
    more
  • Sun

    Aug 16

    80°Lo 62°

    Considerable clouds

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      100%
    more
  • Mon

    Aug 17

    74°Lo 61°

    Cloudy, a little rain; humid

    Ragweed Pollen Weather
    • Precip
      57%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      90%
  • Tue

    Aug 18

    73°Lo 65°

    Clouds giving way to some sun

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      17%
    more
Next Previous
Hi 74° RealFeel® 77° Precipitation 60%

Day

N

E

S

W

  • ESE 4 mph
  • Gusts: 8 mph

Considerable cloudiness with a little rain; humid

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 12%
  • Precipitation: 0.13 in
  • Rain: 0.13 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 61° RealFeel® 57° Precipitation 57%

Night

N

E

S

W

  • NNE 7 mph
  • Gusts: 10 mph

Humid with considerable cloudiness; an evening shower in spots followed by a little rain late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Aug 17

more Historical Weather Data >
  Today Normal Record 8/17/2014
High 74° 80° N/A 73°
Low 61° 59° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:02 AM with 13:50 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:56 AM with 12:19 of moolight, then sets at 9:15 PM

Crystal Lake Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 12:46 AM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. more >