• Today

    Sep 2

    81°Lo 58°

    A morning t-storm in spots

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 3

    83°Lo 69°

    Partly sunny

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Sep 4

    89°Lo 70°

    Clouds and sun

    High ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      70 - High
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Sep 5

    76°Lo 55°

    Not as warm with t-storms

    High ragweed pollen levels
    • Precip
      64%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      76%
    more
  • Sat

    Sep 6

    72°Lo 51°

    Mostly sunny and nice

    Ragweed Pollen Weather
    • Precip
      11%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      21%
Next Previous
Mostly sunny 72° Lo 66° RealFeel® 75° / 62°

N

E

S

W

  • Precipitation: 11%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 55%
  • Cloud Cover: 20%
  • Dew Point: 53° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 6

more Historical Weather Data >
  Today Normal Record 9/6/2013
High 72° 76° N/A 83°
Low 51° 53° N/A 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 12:56 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:36 PM with 11:01 of moolight, then sets at 4:37 AM

Top Story

Crystal Lake Weather Report

Chicago: Cooler, Less Humid Air to Return by Late Week

September 2, 2014; 4:05 AM ET

While Labor Day marks an unofficial end to the summer, the Chicago area will see warm, humid conditions continue before temperatures slide late in the week. more >

Sat. Dust & Dander

Sat. Wind Maps