• Early AM

    Mar 5

    Lo 0°

    Mainly clear

    Asthma Weather
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Today

    Mar 5

    11°Lo -2°

    Sunny and very cold

    Beneficial weather for asthma
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Fri

    Mar 6

    24°Lo 19°

    Mostly sunny and windy

    Beneficial weather for asthma
    • Hi
      RealFeel
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sat

    Mar 7

    36°Lo 20°

    Periods of sun; not as cold

    Beneficial weather for asthma
    • Hi
      RealFeel
      27°
    • UV
      4 - Moderate
    • Cloud
      Cover
      52%
    more
  • Sun

    Mar 8

    36°Lo 23°

    Chilly with some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      30°
    • UV
      3 - Moderate
    • Cloud
      Cover
      64%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
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Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Temp (°F)
RealFeel® -10° -12° -14° -16° -17° -16° -14° -9°
Humidity 76% 76% 74% 72% 70% 68% 69% 66%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
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Snow
 
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Ice
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 8 NW 8 NW 9 NW 10 NW 12 NW 13 NW 13 NW 13 WNW
UV Index 0 0 0 0 0 1 2 3
Cloud Cover 18% 16% 13% 11% 11% 10% 0% 2%
Dew Point -5° -6° -6° -7° -7° -7° -6° -5°
Middle Grid line 5 F Middle Grid line 0 F Middle Grid line -5 F

Temperature History - Mar 5

more Historical Weather Data >
  Today Normal Record 3/5/2014
High 11° 40° 71° (1983) 21°
Low -2° 23° -9° (2002) 16°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 11:26 of sunlight, then sets at 5:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:03 PM with 12:35 of moolight, then sets at 6:38 AM

DeKalb Weather Report

Chicago: Bitter Cold to Depart by the Weekend

March 4, 2015; 2:53 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?

Thu. Air Quality

Thu. Asthma Risk

Thu. UV Index