• Today

    Sep 23

    73°Lo 49°

    Sunlit and pleasant

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

    Sep 25

    76°Lo 50°

    Turning sunny and pleasant

    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 73° RealFeel® 76° Precipitation 2%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 9 mph

Pleasant with brilliant sunshine

  • 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 49° RealFeel® 48° Precipitation 2%

Night

N

E

S

W

  • ESE 3 mph
  • Gusts: 5 mph

Mainly clear

  • 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 23

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 23

more Historical Weather Data >
  Today Normal Record 9/23/2013
High 73° 70° N/A 65°
Low 49° 46° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:08 of sunlight, then sets at 6:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:06 AM with 12:21 of moolight, then sets at 6:27 PM

Top Story

Crystal Lake Weather Report

Drier Air Heads into Chicago Following Storms

September 23, 2014; 9:10 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 >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps