• Today

    Sep 1

    90°Lo 70°

    A shower in the morning; fog

    Very Good for running
    • Precip
      47%
    • Hours of Precip
      0.5
    • Wind
      Gust
      13 mph
    more
  • Wed

    Sep 2

    91°Lo 69°

    Fog in the morning; some sun

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Thu

    Sep 3

    88°Lo 67°

    Times of clouds and sun

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
  • Fri

    Sep 4

    88°Lo 68°

    Sunny, very warm and humid

    Very Good for running
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
  • Sat

    Sep 5

    87°Lo 65°

    Mostly sunny, warm and humid

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
Next Previous
Hi 88° RealFeel® 98° Precipitation 9%

Day

N

E

S

W

  • SE 5 mph
  • Gusts: 8 mph

Very warm and humid with plenty of sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 68° RealFeel® 67° Precipitation 13%

Night

N

E

S

W

  • SSE 5 mph
  • Gusts: 7 mph

Partly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 88° 79° N/A 85°
Low 68° 59° N/A 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:01 of sunlight, then sets at 7:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:27 PM with 14:41 of moolight, then sets at 2:08 PM

Mount Prospect 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 >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.