• Tonight

    May 27

    Lo 55°

    Mostly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Thu

    May 28

    82°Lo 62°

    Warmer with plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Fri

    May 29

    82°Lo 55°

    Thundershower

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

    May 30

    61°Lo 41°

    Cooler with a touch of rain

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      17 mph
    • Cloud
      Cover
      79%
    more
  • Sun

    May 31

    65°Lo 45°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      45%
    more
Next Previous
Hi 82° RealFeel® 86° Precipitation 6%

Day

N

E

S

W

  • SSE 8 mph
  • Gusts: 13 mph

Warmer with plenty of sun

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 60° Precipitation 25%

Night

N

E

S

W

  • SSE 7 mph
  • Gusts: 10 mph

Mainly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • 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 - May 28

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2014
High 82° 71° N/A 69°
Low 62° 48° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:22 AM with 14:58 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:27 PM with 11:42 of moolight, then sets at 3:09 AM

Crystal Lake Weather Report

Chicago: Temperatures to Take Dramatic Swing at Late Week

May 27, 2015; 2:24 PM ET

Following the chance for early-week storms, temperatures in the Chicago area will be on a roller coaster leading into the weekend. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps