• Tonight

    Feb 5

    Lo 23°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    Feb 6

    39°Lo 30°

    Intervals of clouds and sun

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

    Feb 7

    40°Lo 27°

    A bit of snow and rain

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

    Feb 8

    29°Lo 17°

    Cloudy, a bit of snow; colder

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

    Feb 9

    20°Lo 7°

    Cloudy, windy and colder

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Mostly cloudy 31° Lo 28° RealFeel® 29° / 24°

N

E

S

W

  • Precipitation: 1%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 58%
  • Cloud Cover: 71%
  • Dew Point: 17° F
  • Visibility: 8 mi
7 mph

Temperature History - Feb 5

more Historical Weather Data >
  Today Normal Record 2/5/2015
High 31° 29° N/A 13°
Low 23° 11° N/A -18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:03 AM with 10:10 of sunlight, then sets at 5:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:26 AM with 10:01 of moolight, then sets at 2:27 PM

Crystal Lake Weather Report

Chicago: Temperatures to rise through weekend

February 5, 2016; 9:04 PM ET

Chicago is in store for a dry and warmer weekend before the next round of winter weather early next week. more >

Health Weather

Jan 19, 2016; 10:05 AM ET How the weather impacts people's health

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps