• Today

    May 27

    78°Lo 59°

    Clouds breaking; seasonable

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

    May 28

    86°Lo 64°

    Mostly sunny and warm

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

    May 29

    84°Lo 60°

    Clouds and sun with a t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Sat

    May 30

    66°Lo 43°

    Occasional rain and a t-storm

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      83%
  • Sun

    May 31

    68°Lo 47°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      45%
    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
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 61° 62° 63° 64° 65° 66° 66° 66°
RealFeel® 57° 59° 61° 63° 65° 67° 67° 67°
Humidity 73% 68% 63% 58% 53% 49% 48% 44%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
47%
 
40%
 
34%
 
34%
 
34%
 
34%
 
34%
 
38%
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) 15 NNE 15 NE 14 NE 14 NE 14 NE 16 NE 15 NE 13 NE
UV Index 1 1 2 3 4 5 5 4
Cloud Cover 96% 99% 99% 96% 90% 82% 74% 70%
Dew Point 53° 52° 50° 49° 47° 46° 45° 44°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - May 30

more Historical Weather Data >
  Today Normal Record 5/30/2014
High 66° 76° 98° (1934) 86°
Low 43° 55° 35° (1930) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:25 AM with 14:56 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:25 PM with 10:52 of moolight, then sets at 4:17 AM

Ottawa Weather Report

Chicago: Temperatures to Take Dramatic Swing at Late Week

May 27, 2015; 4:24 AM ET

Following the chance for early-week storms, temperatures in the Chicago area will be on a roller coaster leading into the weekend. more >

Sat. Dust & Dander

Sat. Wind Maps