• Today

    May 25

    86°Lo 68°

    Showers and a heavier t-storm

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

    May 26

    87°Lo 68°

    Intervals of clouds and sun

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

    May 27

    80°Lo 66°

    A couple of thunderstorms

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      5 - High
    more
  • Sat

    May 28

    79°Lo 65°

    A couple of thunderstorms

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

    May 29

    82°Lo 62°

    A thunderstorm in the area

    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
Cloudy
T-storms
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
T-storms
Cloudy
Temp (°F) 69° 69° 72° 75° 76° 79° 78° 77°
RealFeel® 67° 65° 72° 76° 77° 80° 76° 78°
Humidity 74% 84% 75% 66% 62% 57% 62% 61%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
49%
 
58%
 
40%
 
34%
 
37%
 
48%
 
52%
 
44%
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) 12 S 12 S 13 S 14 S 14 S 14 S 14 S 13 S
UV Index 1 1 3 4 4 5 4 3
Cloud Cover 100% 100% 91% 81% 78% 83% 93% 97%
Dew Point 61° 64° 64° 63° 62° 62° 63° 63°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 79° 76° 94° (2012) 83°
Low 65° 54° 32° (1992) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:26 AM with 14:54 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:47 AM with 10:59 of moolight, then sets at 11:46 AM

Ottawa Weather Report

Chicago: Warm, humid and stormy through Thursday

May 25, 2016; 10:18 AM ET

This week is likely to end up as the warmest week so far this year in the Chicago area, but the warm weather will be accompanied by stormy weather. more >

Sat. Dust & Dander

Sat. Wind Maps