• Today

    May 1

    53°Lo 40°

    A couple of afternoon showers

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

    May 2

    59°Lo 36°

    Warmer with variable clouds

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

    May 3

    70°Lo 46°

    Partly sunny; breezy, warmer

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

    May 4

    54°Lo 37°

    Cooler with a shower in spots

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

    May 5

    58°Lo 36°

    Intervals of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Partly cloudy 47° Lo 44° RealFeel® 40° / 37°

N

E

S

W

  • Precipitation: 25%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 81%
  • Cloud Cover: 45%
  • Dew Point: 40° F
  • Visibility: 10 mi
10 mph

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 53° 62° N/A 69°
Low 40° 40° N/A 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:06 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:45 AM with 11:09 of moolight, then sets at 1:54 PM

Crystal Lake Weather Report

Chicago: Warmup to follow cool, damp weekend

May 1, 2016; 4:29 AM ET

Following a cool and rainy weekend, warmer conditions will arrive in the Chicago area early next week. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps