• Tonight

    Sep 22

    Lo 45°

    Clear and cool

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 23

    72°Lo 49°

    Mostly sunny and pleasant

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

    Sep 24

    74°Lo 51°

    Mostly sunny and pleasant

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

    Sep 25

    74°Lo 51°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      13%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      25%
    more
  • Fri

    Sep 26

    77°Lo 53°

    Sunny and pleasantly warm

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Clear
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 41° 41° 44° 49° 55° 59° 61° 62°
RealFeel® 38° 40° 42° 50° 57° 64° 67° 68°
Humidity 89% 87% 82% 71% 62% 57% 53% 53%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 4 WNW 3 WNW 5 WNW 4 WNW 5 WNW 5 W 5 WNW 5 WNW
UV Index 0 0 0 1 2 4 4 5
Cloud Cover 13% 14% 10% 5% 5% 7% 6% 7%
Dew Point 38° 37° 39° 40° 42° 44° 44° 45°
Middle Grid line 65 F 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 - Sep 22

more Historical Weather Data >
  Today Normal Record 9/22/2013
High 66° 70° N/A 63°
Low 45° 46° N/A 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:11 of sunlight, then sets at 6:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:08 AM with 12:51 of moolight, then sets at 5:59 PM

Top Story

Crystal Lake Weather Report

Drier Air Heads into Chicago Following Storms

September 22, 2014; 8:00 PM ET

Drier air will filter into the Chicago area for the rest of the week, resulting in dry skies and clear conditions to kick off the first week of fall. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps