• Tonight

    May 3

    Lo 61°

    Couple of thunderstorms

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

    May 4

    75°Lo 57°

    Showers and a heavier t-storm

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

    May 5

    76°Lo 55°

    A couple of thunderstorms

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

    May 6

    83°Lo 61°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      22%
    more
  • Thu

    May 7

    85°Lo 65°

    Partly sunny, breezy and warm

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      30%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Mostly Cloudy
Partly Cloudy
Temp (°F) 62° 67° 71° 74° 77° 78° 79° 79°
RealFeel® 61° 66° 71° 75° 78° 80° 80° 80°
Humidity 58% 50% 45% 42% 38% 37% 36% 36%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
11%
 
44%
 
48%
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) 9 S 10 SSW 12 SSW 13 SSW 13 S 14 S 14 SSW 14 SSW
UV Index 1 2 3 4 5 6 5 5
Cloud Cover 74% 80% 89% 82% 77% 73% 81% 70%
Dew Point 48° 47° 49° 50° 49° 50° 50° 50°
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

Temperature History - May 3

more Historical Weather Data >
  Today Normal Record 5/3/2014
High 79° 69° 93° (1895) 71°
Low 61° 46° 30° (2005) 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:05 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:37 PM with 10:42 of moolight, then sets at 6:19 AM

Ottawa Weather Report

Chicago: Temperature Roller Coaster in Store for New Week

May 3, 2015; 6:27 PM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps