• Today

    Sep 1

    90°Lo 70°

    Hazy sun, a t-storm in spots

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Wed

    Sep 2

    91°Lo 68°

    Fog in the morning; some sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Sep 3

    89°Lo 69°

    Partly sunny and very warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Sep 4

    87°Lo 66°

    Sunny, very warm and humid

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Sep 5

    86°Lo 63°

    Mostly sunny and very warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 90° RealFeel® 96° Precipitation 40%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 13 mph

Hazy sunshine, very warm and humid with a shower or thunderstorm around into the early afternoon

  • Max UV Index: 6 (High)
  • 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
Lo 70° RealFeel® 70° Precipitation 23%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 9 mph

Partly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • 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 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 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Tue. Snow Day Potential