• Today

    Apr 29

    56°Lo 45°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Apr 30

    55°Lo 46°

    Rain and a t-storm; cooler

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sun

    May 1

    57°Lo 42°

    Mostly cloudy, a little rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    May 2

    62°Lo 39°

    Partly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    May 3

    68°Lo 51°

    More sunshine than clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Rain
Rain
Rain
Cloudy
Rain
Cloudy
Rain
Cloudy
Temp (°F) 51° 53° 53° 53° 53° 54° 55° 54°
RealFeel® 40° 42° 43° 48° 43° 49° 47° 49°
Humidity 76% 72% 72% 71% 74% 77% 76% 79%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
64%
 
64%
 
64%
 
49%
 
64%
 
46%
 
54%
 
46%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 14 E 16 E 16 E 16 E 16 ENE 16 ENE 15 ENE 15 ENE
UV Index 1 1 2 2 2 2 2 1
Cloud Cover 94% 94% 94% 94% 94% 94% 94% 94%
Dew Point 44° 44° 45° 44° 45° 47° 48° 48°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 30

more Historical Weather Data >
  Today Normal Record 4/30/2015
High 55° 68° 92° (1942) 61°
Low 46° 45° 28° (1931) 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:00 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:07 AM with 10:44 of moolight, then sets at 12:51 PM

Ottawa Weather Report

Chicago: Warmup to follow cool, damp weekend

April 29, 2016; 3:14 PM ET

Following a cool and rainy weekend, warmer conditions will arrive in the Chicago area early next week. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps