• Early AM

    Oct 20

    Lo 45°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Oct 20

    61°Lo 39°

    Increasing clouds

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

    Oct 21

    54°Lo 35°

    Cool with clouds and sun

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

    Oct 22

    57°Lo 36°

    Plenty of sunshine

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      0%
    more
  • Thu

    Oct 23

    59°Lo 45°

    Sunny to partly cloudy

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      27%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
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8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Cloudy
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Cloudy
Temp (°F) 45° 47° 49° 52° 55° 57° 58° 59°
RealFeel® 36° 41° 44° 48° 52° 54° 56° 56°
Humidity 90% 86% 83% 78% 73% 68% 63% 60%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
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Snow
 
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Ice
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 13 SW 8 W 9 WNW 10 NW 12 NW 12 NW 13 NW 13 NW
UV Index 0 0 0 1 2 3 3 2
Cloud Cover 100% 31% 25% 25% 25% 25% 25% 70%
Dew Point 42° 43° 44° 46° 46° 46° 46° 46°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Oct 20

more Historical Weather Data >
  Today Normal Record 10/20/2013
High 61° 58° N/A 51°
Low 39° 37° N/A 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:12 AM with 10:52 of sunlight, then sets at 6:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:57 AM with 12:31 of moolight, then sets at 4:28 PM

Crystal Lake Weather Report

Cool Weather Ahead for Chicago

October 20, 2014; 2:26 AM ET

Seasonable temperatures will be the rule this week across Chicagoland. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps