• Today

    Apr 19

    63°Lo 42°

    Mostly sunny and warmer

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

    Apr 20

    74°Lo 51°

    Partly sunny and warmer

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

    Apr 21

    72°Lo 47°

    A couple of thunderstorms

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

    Apr 22

    57°Lo 36°

    Cooler; a morning shower

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

    Apr 23

    54°Lo 42°

    Partly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
T-storms
Cloudy
Cloudy
Cloudy
Temp (°F) 57° 62° 66° 67° 64° 69° 72° 70°
RealFeel® 55° 62° 65° 66° 62° 68° 70° 68°
Humidity 69% 62% 57% 53% 78% 64% 56% 55%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
47%
 
44%
 
44%
 
48%
 
52%
 
40%
 
34%
 
40%
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) 6 SW 6 SW 7 SW 8 WSW 9 WNW 9 WNW 8 NW 7 NW
UV Index 1 2 3 3 3 3 2 1
Cloud Cover 90% 90% 89% 89% 90% 90% 92% 93%
Dew Point 47° 49° 50° 49° 57° 57° 56° 53°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 72° 61° 88° (1985) 54°
Low 47° 41° 28° (1943) 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:02 AM with 13:37 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:11 AM with 10:16 of moolight, then sets at 11:27 AM

Top Story

Prospect Heights Weather Report

Chicago: Weekend Warmth on the Way

April 19, 2014; 3:14 AM ET

Seasonal warmth looks to make a return to Chicago right in time for the holiday weekend. 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.

Mon. Snow Day Potential