• Today

    Mar 2

    27°Lo 19°

    Sun, then clouds; cold

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

    Mar 3

    37°Lo 7°

    Snow and ice, then rain

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

    Mar 4

    15°Lo -4°

    Clouds and sun; much colder

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

    Mar 5

    13°Lo 2°

    Sunny and frigid

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      5%
    more
  • Fri

    Mar 6

    30°Lo 20°

    Some sun; breezy, not as cold

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      65%
    more
Next Previous
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  Mon
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Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
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Cloudy
Temp (°F) 19° 21° 23° 23° 22° 22° 22° 22°
RealFeel® 17° 18° 18° 17° 16° 16° 14° 13°
Humidity 75% 71% 68% 69% 72% 74% 76% 78%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
0%
 
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Snow
 
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25%
 
25%
Ice
 
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  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 5 SSE 6 SSE 6 SSE 7 SSE 7 SSE 7 SSE 8 SSE 9 SSE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 99% 97% 92% 91% 92% 95% 97% 98%
Dew Point 12° 13° 14° 14° 14° 15° 16° 16°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Mar 2

more Historical Weather Data >
  Today Normal Record 3/2/2014
High 27° 37° N/A
Low 19° 18° N/A -8°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 11:17 of sunlight, then sets at 5:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:12 PM with 13:55 of moolight, then sets at 5:07 AM

Crystal Lake Weather Report

Chicago: Wintry Mix to Precede Harsh Cold

March 2, 2015; 8:15 AM ET

While Chicago will escape the brunt of a snowstorm moving from the Rockies to the Midwest, the city will still see some wintry precipitation early this week. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps