• Wed

    Mar 18

    56°Lo 37°

    Partly sunny

    Asthma Weather
    • Hi
      RealFeel
      49°
    • UV
      5 - Moderate
    • Cloud
      Cover
      36%
    more
  • Thu

    Mar 19

    50°Lo 30°

    Periods of rain

    Asthma Weather
    • Hi
      RealFeel
      43°
    • UV
      3 - Moderate
    • Cloud
      Cover
      86%
    more
  • Fri

    Mar 20

    51°Lo 33°

    Showers around in the p.m.

    Asthma Weather
    • Hi
      RealFeel
      43°
    • UV
      4 - Moderate
    • Cloud
      Cover
      59%
    more
  • Sat

    Mar 21

    49°Lo 30°

    Mostly cloudy

    Asthma Weather
    • Hi
      RealFeel
      48°
    • UV
      3 - Moderate
    • Cloud
      Cover
      76%
  • Sun

    Mar 22

    43°Lo 26°

    Snow and rain; windy, colder

    Asthma Weather
    • Hi
      RealFeel
      30°
    • UV
      1 - Low
    • Cloud
      Cover
      98%
    more
Next Previous
Hi 49° RealFeel® 48° Precipitation 25%

Day

N

E

S

W

  • NE 6 mph
  • Gusts: 12 mph

Mostly cloudy

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 30° RealFeel® 11° Precipitation 70%

Night

N

E

S

W

  • NE 14 mph
  • Gusts: 24 mph

Plenty of clouds; a couple of evening showers followed by a mix of snow, ice and rain late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.63 in
  • Rain: 0.44 in
  • Snow: 0.6 in
  • Ice: 0.03 in
  • Hours of Precipitation: 7.5 hrs
  • Hours of Rain: 6 hrs

Temperature History - Mar 21

more Historical Weather Data >
  Today Normal Record 3/21/2014
High 49° 47° 84° (2012) 52°
Low 30° 29° 10° (2013) 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:57 AM with 12:11 of sunlight, then sets at 7:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:41 AM with 13:20 of moolight, then sets at 9:01 PM

DeKalb Weather Report

Chicago: Harsh Cold to Follow Wintry Weather

March 3, 2015; 5:15 AM ET

While Chicago will escape the brunt of a snowstorm moving from the Rockies to the Midwest, the city will still see some wintry precipitation early this week. more >

Making a Forecast: The Sixth Sense

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