• Mon

    Aug 10

    74°Lo 57°

    Increasing cloudiness

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

    Aug 11

    78°Lo 64°

    Partly sunny

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

    Aug 12

    76°Lo 64°

    Variable cloudiness

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

    Aug 13

    85°Lo 63°

    A thunderstorm possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Fri

    Aug 14

    85°Lo 67°

    Partly sunny and warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 85° RealFeel® 85° Precipitation 30%

Day

N

E

S

W

  • SSE 7 mph
  • Gusts: 18 mph

Variable cloudiness with a shower or thunderstorm possible; warm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 35%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 58° Precipitation 58%

Night

N

E

S

W

  • S 10 mph
  • Gusts: 23 mph

Cloudy with a shower

  • Max UV Index: N/A
  • Thunderstorms: 23%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - Aug 13

more Historical Weather Data >
  Today Normal Record 8/13/2014
High 85° 80° N/A 78°
Low 63° 59° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 13:59 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:06 AM with 14:08 of moolight, then sets at 7:14 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 >