• Early AM

    Mar 27

    Lo 17°

    A few flurries

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

    Mar 27

    29°Lo 13°

    Partly sunny, brisk and cold

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

    Mar 28

    37°Lo 25°

    Sunny and not as cold

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

    Mar 29

    45°Lo 31°

    Mostly cloudy, showers around

    Low ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      23 mph
    • Cloud
      Cover
      76%
    more
  • Mon

    Mar 30

    54°Lo 40°

    Breezy in the morning; sunny

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      5%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
5am
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Forecast
Mostly Clear
Mostly Clear
Mostly Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 15° 17° 19° 22° 25° 29° 32° 34°
RealFeel® 14° 15° 17° 20° 26° 31° 37° 42°
Humidity 77% 69% 64% 59% 53% 50% 46% 40%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
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Snow
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 5 N 5 N 5 N 5 NNE 6 NNE 6 NNE 6 NE 6 NE
UV Index 0 0 0 0 1 3 4 5
Cloud Cover 10% 10% 10% 0% 0% 5% 6% 3%
Dew Point 10° 10° 12° 13° 12°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F Middle Grid line 10 F

Temperature History - Mar 28

more Historical Weather Data >
  Today Normal Record 3/28/2014
High 37° 48° N/A 47°
Low 25° 28° N/A 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:28 of sunlight, then sets at 7:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:14 PM with 14:40 of moolight, then sets at 2:54 AM

Crystal Lake Weather Report

Chicago: Temperatures to Rebound Following Cold Start to the Weekend

March 27, 2015; 12:44 AM ET

Another surge of cold air is set to blast Chicago, bringing January-like temperatures to the area for the start of the weekend before temperatures rebound into the 50s for the new week. more >

Making a Forecast: The Sixth Sense

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

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps