• Mostly clear 25°
    Dust & Dander Current Weather
    • Relative Humidity
      91%
    • Yesterday
      Temp
      24°
    • RealFeel
      26°
  • Early AM

    Apr 16

    Lo 24°

    Very cold

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Today

    Apr 16

    Hi 53°

    Becoming windier and warmer

    Very High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tomorrow

    Apr 17

    Hi 56°

    A passing afternoon shower

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
Next

Not as chilly today

4/16 4/17 Now: 3:29am
AM 3-7
  • 3am Clear 25° 0%
  • 4am Mostly clear 25° 0%
  • 5am Mostly clear 24° 0%
  • 6am Clear 25° 0%
  • 7am Mostly sunny 30° 0%
PM 2-7
  • 2pm Partly sunny 50° 0%
  • 3pm Partly sunny 53° 0%
  • 4pm Partly sunny 52° 0%
  • 5pm Partly sunny 52° 0%
  • 6pm Partly sunny 50° 0%
  • 7pm Partly sunny 48° 1%
PM 8-1
  • 8pm Partly cloudy 46° 4%
  • 9pm Partly cloudy 45° 4%
  • 10pm Partly cloudy 43° 4%
  • 11pm Partly cloudy 42° 4%
  • 12am Partly cloudy 42° 4%
  • 1am Partly cloudy 41° 3%
Hourly Forecast >

Crystal Lake Pollen Levels - April 16

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

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Top Story

Crystal Lake Weather Report

Chicago: Chilly Weather to Return for the Weekend

April 15, 2014; 7:43 PM ET

While the city will warm up at midweek, by the weekend chilly weather will return and persist until next week. more >

Allergies Live Feed

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Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps