• Today

    May 4

    51°Lo 36°

    Turning cloudy and cooler

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

    May 5

    62°Lo 40°

    Mostly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Fri

    May 6

    78°Lo 58°

    Pleasant and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    May 7

    66°Lo 39°

    A shower and t-storm around

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Sun

    May 8

    71°Lo 46°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 78° RealFeel® 80° Precipitation 10%

Day

N

E

S

W

  • W 8 mph
  • Gusts: 12 mph

Mostly sunny, pleasant and warmer

  • Max UV Index: 7 (High)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 58° RealFeel® 54° Precipitation 51%

Night

N

E

S

W

  • W 8 mph
  • Gusts: 13 mph

Mild with increasing clouds; a thunderstorm late

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - May 6

more Historical Weather Data >
  Today Normal Record 5/6/2015
High 78° 64° N/A 67°
Low 58° 41° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:41 AM with 14:18 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:53 AM with 14:05 of moolight, then sets at 7:58 PM

Crystal Lake Weather Report

Chicago: Temperatures to soar late this week

May 4, 2016; 12:55 PM ET

Temperatures will soar into the 70s by late in the week in the Chicago area. more >

Fri. Dust & Dander

Fri. Wind Maps