• Early AM

    Apr 21

    Lo 34°

    Clearing

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Today

    Apr 21

    49°Lo 29°

    Very windy; variable clouds

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

    Apr 22

    49°Lo 27°

    Windy with variable clouds

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

    Apr 23

    50°Lo 28°

    Sunny and breezy

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      0%
    more
  • Fri

    Apr 24

    54°Lo 31°

    Cloudy and cool

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      97%
Next Previous
Hi 54° RealFeel® 53° Precipitation 25%

Day

N

E

S

W

  • E 9 mph
  • Gusts: 15 mph

Cloudy and cool

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 8%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 31° RealFeel® 23° Precipitation 53%

Night

N

E

S

W

  • NE 10 mph
  • Gusts: 15 mph

On-and-off rain and drizzle in the evening; otherwise, overcast and cold; there will be a freeze

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0.03 in
  • Rain: 0.03 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Apr 24

more Historical Weather Data >
  Today Normal Record 4/24/2014
High 54° 60° N/A 59°
Low 31° 38° N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:46 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:59 AM with 14:32 of moolight, then sets at 1:31 AM

Crystal Lake Weather Report

Chicago: Temperatures to Plummet After Extended Warm Spell

April 21, 2015; 2:17 AM ET

After a two-week stretch of above-normal temperatures, Chicago is set to fall into a chilly pattern into late this week. more >

Fri. Dust & Dander

Fri. Wind Maps