• Today

    Sep 23

    73°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 52°

    Mostly sunny and pleasant

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

    Sep 25

    76°Lo 50°

    Mostly sunny and nice

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

    Sep 26

    77°Lo 51°

    Sunny and pleasantly warm

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
  • Sat

    Sep 27

    78°Lo 54°

    Mostly sunny, nice and warm

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      16%
    more
Next Previous
Hi 74° RealFeel® 75° Precipitation 7%

Day

N

E

S

W

  • SE 5 mph
  • Gusts: 9 mph

Mostly sunny and pleasant

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 52° RealFeel® 52° Precipitation 6%

Night

N

E

S

W

  • SE 2 mph
  • Gusts: 4 mph

Partly cloudy

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

Crystal Lake Pollen Levels - September 24

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 24

more Historical Weather Data >
  Today Normal Record 9/24/2013
High 74° 69° N/A 69°
Low 52° 45° N/A 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 12:05 of sunlight, then sets at 6:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:04 AM with 11:52 of moolight, then sets at 6:56 PM

Top Story

Crystal Lake Weather Report

Drier Air Heads into Chicago Following Storms

September 23, 2014; 4:10 AM 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 >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps