• Tonight

    Sep 3

    Lo 67°

    A thunderstorm in spots early

    Running Weather
    • Precip
      50%
    • Hours of Precip
      1
    • Wind
      Gust
      23 mph
  • Fri

    Sep 4

    85°Lo 68°

    Partly sunny with a t-storm

    Good for running
    • Precip
      55%
    • Hours of Precip
      2
    • Wind
      Gust
      7 mph
    more
  • Sat

    Sep 5

    89°Lo 70°

    Partly sunny, warm and humid

    Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Sun

    Sep 6

    91°Lo 75°

    Partly sunny, hot and humid

    Very Good for running
    • Precip
      12%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
    more
  • Mon

    Sep 7

    86°Lo 68°

    A t-storm in the afternoon

    Very Good for running
    • Precip
      62%
    • Hours of Precip
      1
    • Wind
      Gust
      13 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
11pm
Fri
12am
1am 2am 3am 4am 5am 6am
  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
T-storms
Cloudy
Cloudy
Partly Cloudy
Mostly Clear
Cloudy
Clear
Clear
Temp (°F) 71° 70° 70° 69° 69° 68° 68° 67°
RealFeel® 70° 73° 72° 71° 71° 70° 69° 68°
Humidity 91% 96% 97% 95% 96% 97% 96% 95%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
51%
 
47%
 
36%
 
20%
 
20%
 
20%
 
20%
 
20%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 6 NE 5 NE 4 NE 4 NE 4 NE 2 NNE 4 NNE 4 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 70% 70% 65% 48% 26% 70% 4% 6%
Dew Point 68° 69° 69° 68° 67° 67° 66° 65°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 89° 79° N/A 83°
Low 67° 60° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:03 of sunlight, then sets at 7:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:41 PM with 14:27 of moolight, then sets at 1:08 PM

Prospect Heights Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 3, 2015; 5:03 PM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. 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.