• Tonight

    Sep 3

    Lo 66°

    Partly cloudy and humid

    Asthma Weather
    • Hi
      RealFeel
      95°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Sep 4

    86°Lo 67°

    Partly sunny with a t-storm

    At Risk weather for asthma
    • Hi
      RealFeel
      99°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
  • Sat

    Sep 5

    88°Lo 69°

    Partly sunny, warm and humid

    Beneficial weather for asthma
    • Hi
      RealFeel
      96°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Sun

    Sep 6

    90°Lo 72°

    Partly sunny, warm and humid

    Neutral weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Mon

    Sep 7

    85°Lo 66°

    A shower and t-storm around

    Neutral weather for asthma
    • Hi
      RealFeel
      93°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
Next Previous
Hi 86° RealFeel® 99° Precipitation 57%

Day

N

E

S

W

  • E 4 mph
  • Gusts: 7 mph

Intervals of clouds and sun with a shower or thunderstorm; very warm and humid

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.17 in
  • Rain: 0.17 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 67° RealFeel® 68° Precipitation 40%

Night

N

E

S

W

  • SSE 4 mph
  • Gusts: 7 mph

Partly cloudy, warm and humid with a shower or thunderstorm around

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 86° 79° N/A N/A
Low 67° 57° N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:01 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:29 PM with 14:42 of moolight, then sets at 2:11 PM

Marengo Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 3, 2015; 5:03 PM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index