• Cloudy 74°
    Ragweed Pollen Current Weather
    • Relative Humidity
      73%
    • Yesterday
      Temp
      72°
    • RealFeel
      71°
  • Today

    Sep 20

    Hi 79°

    A heavy thunderstorm

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

    Sep 21

    Hi 65°

    Cooler; a shower in the a.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    Day Details >
  • Monday

    Sep 22

    Hi 67°

    Sunny to partly cloudy

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

A thunderstorm this afternoon; storms can bring damaging winds

9/20 9/21 Now: 2:37pm
PM 2-6
  • 2pm Mostly cloudy 74° 43%
  • 3pm Thunderstorms 79° 51%
  • 4pm Mostly cloudy 77° 47%
  • 5pm Intermittent clouds 77° 34%
  • 6pm Partly sunny 75° 34%
AM 1-6
  • 1am Mostly cloudy 65° 16%
  • 2am Mostly cloudy 63° 7%
  • 3am Mostly cloudy 63° 7%
  • 4am Mostly cloudy 62° 6%
  • 5am Mostly cloudy 60° 5%
  • 6am Mostly cloudy 58° 5%
AM 7-12
  • 7am Mostly cloudy 57° 8%
  • 8am Mostly cloudy 57° 43%
  • 9am Mostly cloudy 58° 47%
  • 10am Showers 60° 51%
  • 11am Mostly cloudy 61° 24%
  • 12pm Mostly cloudy 62° 19%
Hourly Forecast >

Crystal Lake Pollen Levels - September 20

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Sep 20, 2014; 6:18 AM ET
Thunderstorms in the area late this morning through this evening; storms can bring damaging winds
Chicago, IL Weather Forecast

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Crystal Lake Weather Report

Chicago: Thunderstorms to Precede More Cool Air

September 20, 2014; 4:28 AM ET

Chicago is facing the threat of some disruptive thunderstorms on Saturday. more >

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Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps