• Today

    Apr 20

    78°Lo 56°

    Partly sunny

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

    Apr 21

    75°Lo 46°

    Couple of showers, t-storms

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

    Apr 22

    62°Lo 39°

    Cooler with clouds breaking

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

    Apr 23

    62°Lo 44°

    Partly sunny

    Moderate indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      33%
    more
  • Thu

    Apr 24

    69°Lo 51°

    A strong thunderstorm

    Low indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      94%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Temp (°F) 56° 64° 70° 73° 76° 76° 78° 77°
RealFeel® 54° 64° 71° 74° 77° 77° 78° 76°
Humidity 53% 46% 41% 35% 33% 33% 32% 32%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
 
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) 8 S 10 S 10 SSW 11 SW 10 SW 10 SW 10 SW 10 SW
UV Index 2 4 5 6 6 6 5 3
Cloud Cover 32% 28% 18% 25% 38% 45% 53% 60%
Dew Point 39° 43° 45° 43° 44° 44° 46° 45°
Middle Grid line 80 F 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 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 78° 64° 86° (1936) 48°
Low 56° 42° 20° (1897) 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:33 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:22 AM with 10:05 of moolight, then sets at 10:27 AM

Top Story

Ottawa Weather Report

Rain Coming to Chicago with Roller Coaster Temperatures

April 20, 2014; 2:12 PM ET

A showery pattern with up-and-down temperatures is coming this week to Chicago. more >

Is it a Cold or the Flu?

Apr 19, 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?

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps