• Tonight

    May 1

    Lo 41°

    Some rain and a t-storm early

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Mon

    May 2

    56°Lo 37°

    Warmer with variable clouds

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

    May 3

    66°Lo 46°

    Partly sunny and warmer

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

    May 4

    53°Lo 38°

    Cooler with a shower

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

    May 5

    60°Lo 42°

    Partly sunny and breezy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 50° RealFeel® 46° Precipitation 45%

Day

N

E

S

W

  • NE 12 mph
  • Gusts: 22 mph

Areas of drizzle this morning; otherwise, mostly cloudy and cool

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 41° RealFeel® 36° Precipitation 55%

Night

N

E

S

W

  • NNE 8 mph
  • Gusts: 14 mph

Occasional evening rain and a thunderstorm; otherwise, mostly cloudy and chilly

  • Max UV Index: N/A
  • Thunderstorms: 30%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Grayslake Pollen Levels - May 1

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    Low

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 50° 62° N/A 60°
Low 41° 43° N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:07 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:44 AM with 11:09 of moolight, then sets at 1:53 PM

Grayslake Weather Report

Chicago: Temperature roller coaster in store for new week

May 1, 2016; 3:54 PM ET

The start of May will bring a fluctuation in temperatures throughout the week in Chicago. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps