• Today

    Mar 27

    35°Lo 15°

    Partly sunny and cold

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      29°
    • UV
      4 - Moderate
    • Cloud
      Cover
      61%
    more
  • Sat

    Mar 28

    40°Lo 25°

    Abundant sunshine, but cold

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      53°
    • UV
      5 - Moderate
    • Cloud
      Cover
      9%
    more
  • Sun

    Mar 29

    50°Lo 32°

    Mostly cloudy, showers around

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      40°
    • UV
      3 - Moderate
    • Cloud
      Cover
      79%
    more
  • Mon

    Mar 30

    59°Lo 43°

    Sunny and milder

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      61°
    • UV
      6 - High
    • Cloud
      Cover
      9%
    more
  • Tue

    Mar 31

    65°Lo 42°

    Sunny and breezy

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      66°
    • UV
      6 - High
    • Cloud
      Cover
      8%
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Temperature History - Mar 31

more Historical Weather Data >
  Today Normal Record 3/31/2014
High 65° 56° 84° (1986) 66°
Low 42° 35° 10° (1923) 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:38 of sunlight, then sets at 7:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:01 PM with 13:11 of moolight, then sets at 5:12 AM

Ottawa Weather Report

Chicago: Temperatures to Rebound Following Cold Start to the Weekend

March 27, 2015; 12:04 PM ET

Another surge of cold air is set to blast Chicago, bringing January-like temperatures to the area early this weekend. more >

Making a Forecast: The Sixth Sense

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

Tue. Sinus Headache

Tue. UV Index