• Today

    Aug 29

    82°Lo 71°

    Warmer with a thunderstorm

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

    Aug 30

    81°Lo 68°

    A couple of thunderstorms

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

    Aug 31

    83°Lo 71°

    Partly sunny and humid

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

    Sep 1

    83°Lo 66°

    A couple of thunderstorms

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

    Sep 2

    81°Lo 63°

    Times of clouds and sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 73° 76° 78° 80° 82° 83° 83° 83°
RealFeel® 75° 81° 86° 88° 89° 89° 89° 86°
Humidity 81% 76% 70% 66% 62% 60% 61% 61%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 WSW 4 SW 5 SW 5 SSW 6 SSW 6 SSW 6 S 6 S
UV Index 2 3 4 5 6 5 4 3
Cloud Cover 46% 46% 46% 46% 46% 46% 46% 46%
Dew Point 67° 67° 68° 68° 68° 68° 68° 68°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 83° 80° N/A 77°
Low 71° 62° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:12 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:08 PM with 10:26 of moolight, then sets at 10:34 PM

Top Story

Prospect Heights Weather Report

Chicago: Thunderstorms May Dampen Labor Day Plans

August 29, 2014; 2:08 AM ET

Thunderstorms and showers will persist in the Chicago area throughout the holiday weekend, bringing the risk of disrupting outdoor activities and weekend plans. 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.

Sun. Snow Day Potential