• Tonight

    May 1

    Lo 42°

    Some rain and a t-storm early

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Mon

    May 2

    57°Lo 37°

    Warmer with variable clouds

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

    May 3

    66°Lo 47°

    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 38°

    Cooler with a stray shower

    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 11am
  8am 9am 10am 11am
Forecast
Cloudy
Showers
Cloudy
Cloudy
Temp (°F) 45° 46° 47° 48°
RealFeel® 38° 39° 41° 43°
Humidity 90% 85% 86% 89%
   
  8am 9am 10am 11am
Rain
 
37%
 
40%
 
37%
 
34%
Snow
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am
Wind (mph) 10 NE 12 NE 12 NE 12 NE
UV Index 0 1 1 1
Cloud Cover 100% 100% 100% 100%
Dew Point 42° 42° 43° 45°
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° 66° N/A 70°
Low 42° 46° N/A 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:05 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:45 AM with 11:09 of moolight, then sets at 1:54 PM

Dundee 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