• Today

    Aug 23

    85°Lo 70°

    A damaging thunderstorm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Aug 24

    85°Lo 70°

    Times of clouds and sun

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

    Aug 25

    90°Lo 69°

    An afternoon thunderstorm

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

    Aug 26

    89°Lo 69°

    Partly sunny with a t-storm

    Moderate ragweed pollen levels
    • Precip
      57%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      56%
    more
  • Wed

    Aug 27

    86°Lo 64°

    A couple of thunderstorms

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 90° RealFeel® 102° Precipitation 51%

Day

N

E

S

W

  • SSE 5 mph
  • Gusts: 9 mph

Partly sunny, very warm and humid; an afternoon thunderstorm

  • Max UV Index: 6 (High)
  • Thunderstorms: 90%
  • 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
Lo 69° RealFeel® 68° Precipitation 40%

Night

N

E

S

W

  • S 5 mph
  • Gusts: 8 mph

Humid; watch for a strong evening thunderstorm followed by a thunderstorm in spots late

  • Max UV Index: N/A
  • Thunderstorms: 91%
  • Precipitation: 0.14 in
  • Rain: 0.14 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Aug 25

more Historical Weather Data >
  Today Normal Record 8/25/2013
High 90° 79° N/A 89°
Low 69° 57° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:28 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:18 AM with 13:09 of moolight, then sets at 7:27 PM

Top Story

Crystal Lake Weather Report

Oppressive Heat to Build in Chicago

August 23, 2014; 3:03 PM ET

After the weekend concludes with a brief break from storms, heat and humidity, along with the threat for thunderstorms more >

Mon. Dust & Dander

Mon. Wind Maps