• Today

    Aug 1

    84°Lo 66°

    Mostly sunny and nice

    Unlikely for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      6%
    • Hours of Precip
      1
  • Sun

    Aug 2

    84°Lo 61°

    A strong thunderstorm

    Advisory for hair frizz
    • Wind
      Gust
      25 mph
    • Precip
      56%
    • Hours of Precip
      3
    more
  • Mon

    Aug 3

    80°Lo 56°

    Periods of sun; less humid

    Watch for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Tue

    Aug 4

    80°Lo 59°

    Nice with clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Wed

    Aug 5

    78°Lo 59°

    Nice with partial sunshine

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
Next Previous
Hi 84° RealFeel® 86° Precipitation 6%

Day

N

E

S

W

  • W 9 mph
  • Gusts: 16 mph

Nice with sunshine and patchy clouds

  • Max UV Index: 7 (High)
  • Thunderstorms: 21%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 61° Precipitation 59%

Night

N

E

S

W

  • SSW 8 mph
  • Gusts: 13 mph

Mostly cloudy with a shower or thunderstorm around late

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 84° 82° 97° (2006) 79°
Low 66° 62° 48° (1990) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:27 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:57 PM with 11:30 of moolight, then sets at 8:27 AM

Marengo Weather Report

Chicago: Cooler Weather to Move in Midweek

August 1, 2015; 11:04 AM ET

After a warm start to the week, a trend toward cooler temperatures can be expected. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sat. Hair Frizz

Sat. Wind Maps

Sat. UV Index