• Today

    Sep 30

    59°Lo 48°

    Some sun returning; cooler

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Wed

    Oct 1

    69°Lo 58°

    Partly sunny and pleasant

    Watch for hair frizz
    • Wind
      Gust
      11 mph
    • Precip
      12%
    • Hours of Precip
      1
  • Thu

    Oct 2

    76°Lo 56°

    A couple of thunderstorms

    Advisory for hair frizz
    • Wind
      Gust
      29 mph
    • Precip
      60%
    • Hours of Precip
      11
    more
  • Fri

    Oct 3

    60°Lo 41°

    Cooler with a stray shower

    Watch for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      44%
    • Hours of Precip
      1
    more
  • Sat

    Oct 4

    55°Lo 42°

    A shower possible

    Watch for hair frizz
    • Wind
      Gust
      30 mph
    • Precip
      30%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
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) 55° 60° 63° 65° 66° 68° 69° 69°
RealFeel® 55° 60° 65° 67° 68° 69° 69° 68°
Humidity 72% 66% 61% 57% 55% 53% 52% 52%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
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) 5 SE 5 SE 6 SE 7 SE 7 SE 7 SE 6 SE 6 SE
UV Index 1 2 3 4 4 4 3 2
Cloud Cover 46% 46% 46% 46% 46% 46% 46% 46%
Dew Point 47° 48° 50° 49° 50° 50° 51° 51°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Oct 1

more Historical Weather Data >
  Today Normal Record 10/1/2013
High 69° 69° N/A 80°
Low 58° 49° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:48 AM with 11:46 of sunlight, then sets at 6:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:54 PM with 10:06 of moolight, then sets at 12:00 AM

Top Story

Prospect Heights Weather Report

Chicago: Mix of Sun, Storms Ahead as Temperatures Fluctuate

September 30, 2014; 7:29 AM ET

The Chicago area is set for a roller-coaster weather pattern over the next few days as temperatures rise and fall in between alternating sunny and stormy skies. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Wed. Hair Frizz

Wed. Wind Maps

Wed. UV Index