• Today

    Apr 27

    57°Lo 34°

    Sunshine and patchy clouds

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

    Apr 28

    60°Lo 36°

    Sunshine and patchy clouds

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

    Apr 29

    62°Lo 36°

    Periods of sun

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

    Apr 30

    57°Lo 37°

    Breezy with periods of sun

    Low ragweed pollen levels
    • Precip
      7%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      69%
    more
  • Fri

    May 1

    65°Lo 47°

    Sunny and warmer

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 53° 55° 56° 57° 56° 55° 53° 50°
RealFeel® 54° 56° 57° 57° 55° 53° 49° 44°
Humidity 47% 45% 44% 43% 44% 45% 47% 50%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
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0%
 
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Ice
 
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  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 13 N 13 N 13 N 13 N 13 N 12 NNE 12 NNE 10 NE
UV Index 6 6 6 5 4 2 1 0
Cloud Cover 39% 34% 30% 25% 20% 21% 24% 25%
Dew Point 33° 34° 34° 35° 34° 34° 33° 32°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 27

more Historical Weather Data >
  Today Normal Record 4/27/2014
High 57° 61° N/A 52°
Low 34° 39° N/A 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 13:53 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:50 PM with 13:23 of moolight, then sets at 3:13 AM

Crystal Lake Weather Report

Sunshine to Prevail This Week in Chicago

April 27, 2015; 10:50 AM ET

Sunny skies and cooler conditions will be the rule this week in Chicago. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps