• Some clouds 75°
    Ragweed Pollen Current Weather
    • Relative Humidity
      76%
    • Yesterday
      Temp
      74°
    • RealFeel
      73°
  • Early AM

    Aug 21

    Lo 70°

    A shower or thunderstorm

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Today

    Aug 21

    Hi 82°

    A couple of thunderstorms

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Tomorrow

    Aug 22

    Hi 84°

    A couple of thunderstorms

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    Day Details >
Next

Thunderstorms in the area this morning through tomorrow afternoon; storms can bring hail and damaging winds

8/21 8/22 Now: 2:20am
AM 2-6
  • 2am Cloudy 73° 47%
  • 3am Thunderstorms 73° 51%
  • 4am Mostly cloudy 73° 47%
  • 5am Mostly cloudy 72° 16%
  • 6am Mostly cloudy 70° 16%
PM 1-6
  • 1pm Mostly cloudy 78° 48%
  • 2pm Mostly cloudy 78° 34%
  • 3pm Mostly cloudy 80° 34%
  • 4pm Mostly cloudy 82° 40%
  • 5pm Thunderstorms 79° 58%
  • 6pm Thunderstorms 78° 58%
PM 7-12
  • 7pm Mostly cloudy 79° 49%
  • 8pm Thunderstorms 79° 53%
  • 9pm Mostly cloudy 78° 49%
  • 10pm Cloudy 77° 45%
  • 11pm Mostly cloudy 76° 49%
  • 12am Thunderstorms 76° 53%
Hourly Forecast >

Chicago Pollen Levels - August 21

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

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Top Story

Chicago Weather Report

Chicago: Threat of Thunderstorms Lingers After Heavy Rains Flood Wrigley Field

August 21, 2014; 1:30 AM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

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Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps