• Tonight

    May 31

    Lo 63°

    A shower or heavy t-storm

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      3 - Moderate
    more
  • Wed

    Jun 1

    78°Lo 54°

    Showers and a heavier t-storm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      3 - Moderate
    more
  • Thu

    Jun 2

    77°Lo 53°

    Partly sunny and pleasant

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      3 - Moderate
    more
  • Fri

    Jun 3

    79°Lo 61°

    Sunshine and nice

    Moderate ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      3 - Moderate
  • Sat

    Jun 4

    78°Lo 56°

    Mostly cloudy with a t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 67° 71° 74° 76° 77° 78° 79° 78°
RealFeel® 72° 78° 82° 85° 86° 86° 87° 84°
Humidity 64% 51% 46% 45% 46% 45% 44% 44%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
5%
 
5%
 
5%
 
5%
 
5%
 
5%
 
5%
 
5%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 WNW 4 WNW 5 WNW 5 NW 5 NW 5 NW 5 NW 5 NW
UV Index 3 5 6 7 7 7 6 5
Cloud Cover 25% 25% 25% 25% 25% 25% 25% 25%
Dew Point 54° 52° 51° 53° 55° 55° 56° 54°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jun 3

more Historical Weather Data >
  Today Normal Record 6/3/2015
High 79° 76° N/A 76°
Low 61° 54° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:18 AM with 15:07 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:27 AM with 14:18 of moolight, then sets at 6:45 PM

Crystal Lake Weather Report

Strong storms to take aim at Chicago, Minneapolis and St. Louis into midweek

May 31, 2016; 11:44 PM ET

The potential for locally dangerous and disruptive thunderstorms will exist over the Midwest into Wednesday evening. more >

Fri. Dust & Dander

Fri. Wind Maps