• Tonight

    Aug 30

    Lo 58°

    Mainly clear; fog late

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

    Aug 31

    85°Lo 66°

    Sunny, warm and humid

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

    Sep 1

    87°Lo 68°

    Sunshine, warm and humid

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

    Sep 2

    89°Lo 66°

    Partly sunny and very warm

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

    Sep 3

    88°Lo 65°

    Mostly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
Next Previous
Hi 88° RealFeel® 93° Precipitation 8%

Day

N

E

S

W

  • SSW 7 mph
  • Gusts: 10 mph

Mostly sunny and very warm

  • Max UV Index: 6 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 65° RealFeel® 64° Precipitation 9%

Night

N

E

S

W

  • S 5 mph
  • Gusts: 8 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 88° 79° N/A 84°
Low 65° 60° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:21 AM with 13:03 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:43 PM with 14:26 of moolight, then sets at 1:09 PM

St. Charles Weather Report

Chicago: Heat, Humidity to Build Through Week

August 30, 2015; 6:00 PM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. more >

Thu. Dust & Dander

Thu. Wind Maps