• Early AM

    Mar 4

    Lo 11°

    Frigid

    Sinus Headache Weather
    • Hi
      RealFeel
      24°
    • UV
      1 - Low
    • Cloud
      Cover
      95%
    more
  • Today

    Mar 4

    18°Lo -3°

    Colder with clouds and sun

    At High Risk weather for sinus headaches
    • Hi
      RealFeel
    • UV
      3 - Moderate
    • Cloud
      Cover
      68%
  • Thu

    Mar 5

    14°Lo 2°

    Frigid with plenty of sun

    At Risk weather for sinus headaches
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Cloud
      Cover
      9%
    more
  • Fri

    Mar 6

    31°Lo 26°

    Partly sunny and not as cold

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      15°
    • UV
      4 - Moderate
    • Cloud
      Cover
      39%
    more
  • Sat

    Mar 7

    37°Lo 19°

    Chilly with partial sunshine

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      35°
    • UV
      4 - Moderate
    • Cloud
      Cover
      46%
    more
Next Previous
Cloudy 23° RealFeel® 19°

N

E

S

W

  • Humidity: 97%
  • Pressure: 29.90 in
  • UV Index: 0
  • Cloud Cover: 91%
  • Ceiling: 12000 ft
  • Dew Point: 22° F
  • Visibility: 9 mi
10 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 11:23 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:05 PM with 13:03 of moolight, then sets at 6:08 AM

Temperature Summary - 1:17 AM

  Temp (°F)
Now 23°
Yesterday 22°
RealFeel® 19°
RealFeel® Shade 19°
Wind Chill 13°
Dew Point 22°
  Hi / Lo
Previous 6 Hours 29°
  23°
Previous 12 Hours 34°
  23°
Previous 24 Hours 35°
  23°

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 18° 42° N/A 27°
Low -3° 26° N/A 12°

Precipitation Summary - 1:17 AM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0
Previous 9 Hours 0
Previous 12 Hours 0
Previous 18 Hours 0.09
Previous 24 Hours 0.56

Algonquin Weather Report

Chicago: Bitter Cold to Depart by the Weekend

March 3, 2015; 6:35 PM ET

While frigid conditions will encompass the Chicago area over the next couple of days, the weekend will offer a break from the bitter cold. more >

Making a Forecast: The Sixth Sense

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

Wed. Sinus Headache

Wed. UV Index