• Today

    Apr 17

    58°Lo 42°

    Mostly cloudy

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Fri

    Apr 18

    60°Lo 39°

    Clouds giving way to some sun

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Apr 19

    71°Lo 50°

    Sunshine; breezy in the p.m.

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 20

    74°Lo 54°

    Mostly cloudy

    Low indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      76%
    more
  • Mon

    Apr 21

    72°Lo 50°

    Mostly cloudy with a shower

    Low indoor dust & dander levels
    • Precip
      58%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 40° 41° 41° 43° 47° 51° 52° 54°
RealFeel® 30° 33° 32° 36° 43° 49° 52° 55°
Humidity 69% 68% 73% 69% 65% 61% 57% 53%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
1%
 
2%
 
2%
 
2%
 
3%
 
3%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
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  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 10 S 9 S 11 S 11 S 10 SSW 10 SW 9 WSW 9 WSW
UV Index 0 0 1 2 3 4 5 5
Cloud Cover 64% 64% 85% 80% 74% 74% 80% 85%
Dew Point 31° 31° 33° 34° 36° 38° 37° 38°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 58° 63° 87° (2004) 55°
Low 42° 39° 27° (1983) 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 13:25 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:25 PM with 10:08 of moolight, then sets at 8:33 AM

Top Story

Peru Weather Report

Chicago: Chilly Weather to Return for the Weekend

April 17, 2014; 3:33 AM ET

While the city warmed up a bit at midweek, chilly weather will return for Friday. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps