• Tonight

    Feb 26

    Lo -7°

    Partly cloudy; bitterly cold

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Feb 27

    13°Lo -4°

    Sunny, but frigid

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

    Feb 28

    19°Lo 13°

    Mostly sunny and frigid

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Sun

    Mar 1

    27°Lo 10°

    Cold with periods of snow

    Low ragweed pollen levels
    • Precip
      65%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      94%
    more
  • Mon

    Mar 2

    30°Lo 25°

    Mostly cloudy and cold

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      72%
    more
Next Previous
Snow 15° Lo 13° RealFeel® 6° / 4°

N

E

S

W

  • Precipitation: 75%
  • Rain: 0 in
  • Snow: 1.0 in
  • Humidity: 70%
  • Cloud Cover: 95%
  • Dew Point: 6° F
  • Visibility: 4 mi
7 mph

Temperature History - Feb 28

more Historical Weather Data >
  Today Normal Record 2/28/2014
High 19° 36° N/A 24°
Low 13° 17° N/A -13°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 11:11 of sunlight, then sets at 5:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:21 PM with 14:35 of moolight, then sets at 3:56 AM

Crystal Lake Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

February 26, 2015; 8:10 PM ET

The Chicago area will continue to endure a cold air into late in the weekend as the next round of snow could hit the region on Sunday. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sat. Dust & Dander

Sat. Wind Maps