• Today

    May 2

    57°Lo 36°

    Warmer with variable clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Tue

    May 3

    66°Lo 44°

    Partly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Wed

    May 4

    55°Lo 36°

    Cooler with a stray shower

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

    May 5

    60°Lo 41°

    Partly sunny and breezy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    May 6

    75°Lo 54°

    Pleasant and warmer

    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 >
  Tue
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Clear
Clear
Sunny
Mostly Sunny
Sunny
Sunny
Mostly Sunny
Temp (°F) 38° 38° 36° 39° 41° 46° 52° 58°
RealFeel® 39° 38° 36° 39° 42° 47° 54° 62°
Humidity 83% 86% 91% 96% 88% 80% 62% 52%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 4 NW 4 NW 4 WNW 5 WNW 5 W 6 W 7 WNW 7 WNW
UV Index 0 0 0 0 0 1 3 4
Cloud Cover 10% 0% 0% 2% 10% 9% 6% 10%
Dew Point 33° 34° 34° 38° 38° 40° 39° 40°
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 Middle Grid line 35 F

Temperature History - May 3

more Historical Weather Data >
  Today Normal Record 5/3/2015
High 66° 63° N/A 80°
Low 44° 40° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:45 AM with 14:11 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:58 AM with 12:17 of moolight, then sets at 4:15 PM

Crystal Lake Weather Report

Chicago: Temperature roller coaster in store for this week

May 2, 2016; 5:03 AM ET

The start of May will bring a fluctuation in temperatures throughout the week in Chicago. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps