• Today

    Feb 28

    21°Lo 14°

    Mostly sunny and quite cold

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

    Mar 1

    28°Lo 8°

    Cloudy and cold with flurries

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

    Mar 2

    28°Lo 24°

    Partly sunny and cold

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

    Mar 3

    39°Lo 12°

    Wintry mix to rain

    Low ragweed pollen levels
    • Precip
      81%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      99%
    more
  • Wed

    Mar 4

    18°Lo -1°

    Mostly cloudy and much colder

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Frigid 21° Lo 15° RealFeel® 9° / 3°

N

E

S

W

  • Precipitation: 12%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 84%
  • Cloud Cover: 95%
  • Dew Point: 14° F
  • Visibility: 10 mi
10 mph

Temperature History - Mar 1

more Historical Weather Data >
  Today Normal Record 3/1/2014
High 28° 40° N/A 28°
Low 24° N/A 10°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 11:14 of sunlight, then sets at 5:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:16 PM with 14:16 of moolight, then sets at 4:32 AM

St. Charles Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

February 28, 2015; 11:24 AM 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?

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps