• Today

    Sep 1

    90°Lo 70°

    A thunderstorm in spots

    Advisory for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      50%
    • Hours of Precip
      0.5
  • Wed

    Sep 2

    91°Lo 68°

    Fog in the morning; some sun

    Advisory for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Thu

    Sep 3

    89°Lo 69°

    Partly sunny and very warm

    Advisory for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Fri

    Sep 4

    87°Lo 66°

    Sunny, very warm and humid

    Warning for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Sat

    Sep 5

    86°Lo 63°

    Mostly sunny and very warm

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
Next Previous
A shower or thunderstorm 90° Lo 84° RealFeel® 95° / 85°

N

E

S

W

  • Precipitation: 50%
  • Rain: 0.04 in
  • Snow: 0 in
  • Humidity: 54%
  • Cloud Cover: 34%
  • Dew Point: 69° F
  • Visibility: 5 mi
9 mph

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 90° 80° N/A 83°
Low 70° 60° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:09 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:19 PM with 13:35 of moolight, then sets at 10:54 AM

Prospect Heights Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 4:41 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. 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.

Tue. Hair Frizz

Tue. Wind Maps

Tue. UV Index