• Today

    Mar 1

    26°Lo 9°

    Cloudy and cold

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Mar 2

    27°Lo 20°

    Mostly sunny and cold

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

    Mar 3

    38°Lo 7°

    Snow mixing with rain; breezy

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

    Mar 4

    12°Lo -5°

    Mainly cloudy and much colder

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      76%
    more
  • Thu

    Mar 5

    11°Lo 2°

    Mostly sunny and frigid

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 26° RealFeel® 27° Precipitation 25%

Day

N

E

S

W

  • WSW 6 mph
  • Gusts: 16 mph

Cloudy and cold

  • Max UV Index: 0 (Low)
  • 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 9° RealFeel® -1° Precipitation 0%

Night

N

E

S

W

  • WNW 10 mph
  • Gusts: 16 mph

Frigid; cloudy this evening, then partly cloudy late

  • 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 - March 1

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Mar 1

more Historical Weather Data >
  Today Normal Record 3/1/2014
High 26° 36° N/A 20°
Low 18° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 11:14 of sunlight, then sets at 5:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:15 PM with 14:18 of moolight, then sets at 4:33 AM

Crystal Lake Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

March 1, 2015; 3:14 AM ET

The Chicago area will continue to endure a cold air into late in the weekend as the next round of snow could hit the region on Sunday. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps