• Tonight

    May 20

    Lo 62°

    Thunderstorms, strong early

    Dust & Dander Weather
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      650 - High

  • Tue

    May 21

    82°Lo 61°

    A couple of strong t-storms

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      650 - High
    more

  • Wed

    May 22

    76°Lo 49°

    A couple of thunderstorms

    Very High indoor dust & dander levels
    • Grass
      Pollen
      12 - Moderate
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      650 - High
    more

  • Thu

    May 23

    63°Lo 43°

    Cooler with spotty showers

    Very High indoor dust & dander levels
    • Precip
      67%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      94%
    more

  • Fri

    May 24

    66°Lo 39°

    Mostly sunny

    Very High indoor dust & dander levels
    • Precip
      4%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 89° RealFeel® 87° Precipitation 35%

Day

N

E

S

W

  • SSW 15 mph
  • Gusts: 28 mph

Breezy and very warm with times of clouds and sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 95%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 54° Precipitation 75%

Night

N

E

S

W

  • SSW 8 mph
  • Gusts: 12 mph

Thunderstorms, strong early; mostly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.66 in
  • Rain: 0.66 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs

Chicago Pollen Levels - May 20

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Moderate

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2012
High 89° 71° N/A 93°
Low 62° 49° N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 14:43 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:13 PM with 11:44 of moolight, then sets at 2:57 AM

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps