• Today

    May 25

    85°Lo 68°

    Showers and a heavier t-storm

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

    May 26

    85°Lo 68°

    Intervals of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Fri

    May 27

    82°Lo 66°

    A shower and t-storm around

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

    May 28

    79°Lo 65°

    A shower and t-storm around

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      5 - High
    more
  • Sun

    May 29

    82°Lo 62°

    Some sun with a thunderstorm

    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 >
  Wed
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Cloudy
Cloudy
T-storms
Cloudy
Temp (°F) 70° 73° 76° 78° 80° 82° 76° 85°
RealFeel® 70° 74° 78° 81° 83° 84° 75° 90°
Humidity 73% 65% 60% 56% 51% 49% 78% 58%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
7%
 
7%
 
6%
 
5%
 
5%
 
8%
 
51%
 
47%
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) 5 SSE 6 SSE 7 SSE 8 SSE 9 SSE 10 SSE 10 S 12 S
UV Index 1 2 3 4 4 4 4 4
Cloud Cover 98% 93% 90% 89% 92% 94% 95% 94%
Dew Point 61° 60° 61° 62° 61° 61° 68° 69°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2015
High 85° 75° 96° (1911) 80°
Low 68° 54° 32° (1934) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:28 AM with 14:49 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:26 PM with 10:16 of moolight, then sets at 9:42 AM

Ottawa Weather Report

Chicago: Warm, humid and stormy through Thursday

May 25, 2016; 5:18 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 >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps