• Today

    May 4

    71°Lo 49°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Tue

    May 5

    59°Lo 51°

    Cloudy, a t-storm; cooler

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    May 6

    73°Lo 58°

    Warmer with a shower or two

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Thu

    May 7

    80°Lo 61°

    Partly sunny, breezy and warm

    Low ragweed pollen levels
    • Precip
      15%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      26%
    more
  • Fri

    May 8

    78°Lo 59°

    Partly sunny, a t-storm; warm

    Ragweed Pollen Weather
    • Precip
      56%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      40%
    more
Next Previous
Hi 71° RealFeel® 73° Precipitation 25%

Day

N

E

S

W

  • NW 8 mph
  • Gusts: 16 mph

Mostly cloudy

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 49° RealFeel® 41° Precipitation 66%

Night

N

E

S

W

  • NE 8 mph
  • Gusts: 13 mph

Overcast and cooler with a couple of showers and a heavy thunderstorm, mainly later

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.77 in
  • Rain: 0.77 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Chicago Pollen Levels - May 4

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 71° 66° 86° (2012) 61°
Low 49° 48° 37° (2011) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:09 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:31 PM with 10:22 of moolight, then sets at 6:53 AM

Chicago Weather Report

Chicago: Showers to Precede Late-Week Warmth

May 4, 2015; 2:37 PM ET

Showers and thunderstorms will frequent the Chicago area early this week before dry and warm conditions return to the city. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps