• Today

    Aug 29

    74°Lo 63°

    Rain and a thunderstorm

    At Risk weather for asthma
    • Hi
      RealFeel
      78°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
  • Sun

    Aug 30

    82°Lo 64°

    Clouds giving way to some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      89°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
    more
  • Mon

    Aug 31

    87°Lo 69°

    Sunny, very warm and humid

    Beneficial weather for asthma
    • Hi
      RealFeel
      94°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Tue

    Sep 1

    88°Lo 70°

    Mostly sunny, warm and humid

    Beneficial weather for asthma
    • Hi
      RealFeel
      93°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Wed

    Sep 2

    88°Lo 68°

    Partly sunny and very warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      94°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
T-storms
Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
T-storms
Cloudy
Temp (°F) 69° 71° 72° 73° 74° 73° 73° 71°
RealFeel® 64° 72° 76° 78° 78° 77° 70° 71°
Humidity 78% 77% 81% 82% 82% 84% 82% 82%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
64%
 
49%
 
34%
 
34%
 
37%
 
47%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 7 ESE 7 ESE 7 SE 6 SE 5 S 5 SSE 5 ENE 5 ENE
UV Index 1 2 3 2 2 1 0 0
Cloud Cover 99% 99% 88% 89% 90% 90% 90% 90%
Dew Point 62° 63° 66° 68° 68° 68° 67° 65°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 29

more Historical Weather Data >
  Today Normal Record 8/29/2014
High 74° 80° N/A 86°
Low 63° 61° N/A 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 13:17 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:26 PM with 11:48 of moolight, then sets at 7:14 AM

Prospect Heights Weather Report

Chicago: Heat, Humidity to Build Through Week

August 29, 2015; 11:26 AM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sat. Air Quality

Sat. Asthma Risk

Sat. UV Index