• Today

    Jan 31

    35°Lo 24°

    Some sun, then turning cloudy

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

    Feb 1

    27°Lo 5°

    Windy with snow; blowing snow

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

    Feb 2

    16°Lo 7°

    Mostly sunny and very cold

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

    Feb 3

    25°Lo 12°

    Mostly cloudy, a bit of snow

    Low ragweed pollen levels
    • Precip
      62%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      92%
    more
  • Wed

    Feb 4

    19°Lo 0°

    Cold with periods of snow

    Ragweed Pollen Weather
    • Precip
      65%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      93%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Partly Sunny
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 29° 31° 33° 34° 35° 35° 34° 32°
RealFeel® 23° 24° 26° 28° 30° 30° 30° 31°
Humidity 66% 64% 62% 61% 61% 64% 68% 73%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
5%
 
5%
 
6%
 
7%
 
7%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 9 WSW 10 WSW 10 W 9 NNW 8 NW 7 N 6 NNW 5 NNW
UV Index 1 2 2 1 1 0 0 0
Cloud Cover 48% 58% 79% 87% 89% 98% 98% 99%
Dew Point 19° 20° 21° 22° 23° 24° 24° 25°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Jan 31

more Historical Weather Data >
  Today Normal Record 1/31/2014
High 35° 28° N/A 21°
Low 24° 10° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:08 AM with 9:58 of sunlight, then sets at 5:06 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:30 PM with 14:45 of moolight, then sets at 5:15 AM

Crystal Lake Weather Report

Chicago: Major Snowstorm to Hit Area Hard This Weekend

January 31, 2015; 12:50 PM ET

A major snowstorm will hit the Chicago area head on this weekend, leading to travel delays and major disruptions to daily activities. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps