• Today

    May 1

    51°Lo 41°

    Mostly cloudy and cool

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

    May 2

    57°Lo 39°

    Variably cloudy and warmer

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

    May 3

    65°Lo 46°

    Partly sunny and warmer

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

    May 4

    55°Lo 39°

    Cooler with a shower in spots

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

    May 5

    62°Lo 44°

    Partly sunny and breezy

    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 >
  Sun
8am
9am 10am
  8am 9am 10am
Forecast
Cloudy
Cloudy
Cloudy
Temp (°F) 44° 44° 46°
RealFeel® 36° 35° 37°
Humidity 100% 100% 93%
   
  8am 9am 10am
Rain
 
20%
 
20%
 
25%
Snow
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
   
  8am 9am 10am
Wind (mph) 13 NE 14 NE 16 NE
UV Index 0 1 1
Cloud Cover 100% 100% 100%
Dew Point 44° 44° 44°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 51° 65° 84° (2001) 67°
Low 41° 43° 28° (1978) 31°

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 2:47 AM with 11:09 of moolight, then sets at 1:56 PM

DeKalb Weather Report

Chicago: Temperature roller coaster in store for new week

May 1, 2016; 3:54 PM ET

The start of May will bring a fluctuation in temperatures throughout the week in Chicago. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps