• Tonight

    Apr 18

    Lo 52°

    Cloudy and breezy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sun

    Apr 19

    64°Lo 49°

    Downpours; breezy and cooler

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Apr 20

    58°Lo 38°

    A couple of morning showers

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    Apr 21

    57°Lo 38°

    Windy with periods of sun

    Low ragweed pollen levels
    • Precip
      8%
    • Wind
      Speed
      25 mph
    • Cloud
      Cover
      46%
    more
  • Wed

    Apr 22

    55°Lo 34°

    Breezy with clouds and sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      65%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Temp (°F) 71° 73° 73° 73° 72° 69° 68° 64°
RealFeel® 74° 75° 74° 73° 70° 66° 65° 61°
Humidity 47% 45% 45% 45% 47% 52% 51% 57%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
 
5%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 12 E 13 E 13 E 13 E 13 E 14 E 13 E 12 E
UV Index 5 5 4 3 2 1 0 0
Cloud Cover 71% 59% 67% 72% 81% 52% 61% 68%
Dew Point 50° 50° 51° 51° 51° 50° 49° 49°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 73° 64° 92° (2002) 66°
Low 52° 41° 14° (1926) 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 13:27 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:12 AM with 13:35 of moolight, then sets at 7:47 PM

Ottawa Weather Report

Chicago: Rain to Span Second Half of Weekend

April 18, 2015; 8:11 PM ET

The second half of the weekend will see a combination of lower temperatures and significant rainfall, but Chicago will slowly pull out of the damp, cooler conditions through the new week. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps