• Today

    Aug 31

    85°Lo 67°

    Fog in the a.m.; mostly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      91°
    more
  • Tue

    Sep 1

    89°Lo 68°

    Fog in the a.m.; mostly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      95°
  • Wed

    Sep 2

    90°Lo 67°

    Partly sunny and hot

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      9%
    • Hi
      RealFeel
      98°
    more
  • Thu

    Sep 3

    89°Lo 65°

    Mostly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      94°
    more
  • Fri

    Sep 4

    89°Lo 65°

    Very warm with sunshine

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      93°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
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  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Clear
Clear
Clear
Clear
Clear
Sunny
Fog
Fog
Temp (°F) 69° 69° 68° 67° 69° 69° 72° 76°
RealFeel® 68° 68° 67° 66° 68° 70° 73° 79°
Humidity 83% 84% 87% 89% 90% 89% 84% 75%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
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Snow
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 6 SSW 6 SSW 6 SW 6 SSW 6 SSW 6 SSW 6 SSW 7 SW
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 0% 0% 0% 0% 0% 0% 11% 11%
Dew Point 64° 64° 64° 64° 66° 66° 67° 67°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 89° 80° N/A 83°
Low 68° 61° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:18 AM with 13:09 of sunlight, then sets at 7:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:21 PM with -10:-26 of moolight, then sets at 10:55 AM

Dundee Weather Report

Chicago: Heat, Humidity to Build Through Week

August 31, 2015; 3:00 AM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration