• Today

    Apr 17

    58°Lo 42°

    Increasing clouds

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

    Apr 18

    62°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 60°

    A couple of thunderstorms

    Low indoor dust & dander levels
    • Precip
      61%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 42° 47° 51° 54° 54° 56° 58° 57°
RealFeel® 34° 41° 47° 52° 55° 58° 60° 58°
Humidity 74% 64% 61% 57% 54% 52% 50% 49%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
2%
 
2%
 
2%
 
3%
 
3%
 
6%
 
12%
 
12%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 10 WSW 11 W 12 W 11 WSW 10 W 10 W 9 W 9 W
UV Index 1 2 3 5 5 6 5 4
Cloud Cover 51% 48% 48% 52% 55% 51% 58% 64%
Dew Point 34° 36° 38° 39° 38° 38° 39° 38°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 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: Weekend Warmth on the Way

April 17, 2014; 2:44 PM ET

Despite a chilly Friday, seasonal warmth will return to the city right in time for the holiday weekend. 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