• Tonight

    Apr 17

    Lo 40°

    A little rain early; cloudy

    Asthma Weather
    • Hi
      RealFeel
      56°
    • UV
      6 - High
    • Air Qual.
      Good
  • Fri

    Apr 18

    56°Lo 32°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      62°
    • UV
      6 - High
    • Air Qual.
      Moderate
    more
  • Sat

    Apr 19

    65°Lo 46°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      63°
    • UV
      6 - High
    • Air Qual.
      Moderate
    more
  • Sun

    Apr 20

    71°Lo 50°

    Mostly cloudy

    Beneficial weather for asthma
    • Hi
      RealFeel
      71°
    • UV
      5 - Moderate
    • Cloud
      Cover
      77%
    more
  • Mon

    Apr 21

    68°Lo 54°

    A couple of thunderstorms

    Neutral weather for asthma
    • Hi
      RealFeel
      68°
    • UV
      4 - Moderate
    • Cloud
      Cover
      76%
    more
Next Previous
Increasing clouds 54° Lo 42° RealFeel® 53° / 31°

N

E

S

W

  • Precipitation: 15%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 60%
  • Cloud Cover: 47%
  • Dew Point: 35° F
  • Visibility: 9 mi
13 mph

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 58° 61° N/A 49°
Low 40° 41° N/A 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:26 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:24 PM with 10:04 of moolight, then sets at 8:28 AM

Top Story

Saint Charles Weather Report

Chicago: Weekend Warmth on the Way

April 17, 2014; 5:44 PM ET

Despite a chilly Friday, seasonal warmth will return to the city right in time for the holiday weekend. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Thu. Air Quality

Thu. Asthma Risk

Thu. UV Index