• Today

    May 27

    79°Lo 65°

    Mostly cloudy with a t-storm

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

    May 28

    78°Lo 65°

    A p.m. t-storm in spots

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

    May 29

    80°Lo 60°

    Warm with clouds and sunshine

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

    May 30

    83°Lo 61°

    A thunderstorm in spots

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

    May 31

    82°Lo 62°

    An afternoon 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 >
  Fri
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
T-storms
T-storms
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
T-storms
Temp (°F) 79° 79° 79° 78° 76° 74° 72° 70°
RealFeel® 79° 76° 81° 79° 76° 74° 70° 65°
Humidity 61% 63% 66% 69% 73% 76% 76% 78%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
40%
 
51%
 
47%
 
39%
 
32%
 
32%
 
38%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 17 S 16 S 15 S 14 S 13 S 12 S 10 S 10 SSE
UV Index 4 5 4 3 2 1 0 0
Cloud Cover 90% 67% 66% 68% 70% 70% 70% 94%
Dew Point 65° 65° 67° 67° 67° 66° 64° 63°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2015
High 79° 74° 96° (2012) 72°
Low 65° 52° 30° (1992) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:24 AM with 14:56 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:09 AM with 10:32 of moolight, then sets at 10:41 AM

DeKalb Weather Report

Chicago: Heat, humidity to unfold for Memorial Day

May 27, 2016; 12:05 PM ET

The unofficial start of summer will feel like the upcoming season on Monday in the Chicago area. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps