• Today

    Dec 19

    33°Lo 23°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      41%
    • Hours of Precip
      0.5
    more
  • Sat

    Dec 20

    34°Lo 26°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      10%
    • Hours of Precip
      0.5
    more
  • Sun

    Dec 21

    39°Lo 30°

    Mostly cloudy with a flurry

    Watch for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      44%
    • Hours of Precip
      1
  • Mon

    Dec 22

    41°Lo 36°

    Cloudy with afternoon rain

    Advisory for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      75%
    • Hours of Precip
      4.5
    more
  • Tue

    Dec 23

    41°Lo 30°

    Cloudy with spotty showers

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      60%
    • Hours of Precip
      4.5
    more
Next Previous
Hi 39° RealFeel® 32° Precipitation 44%

Day

N

E

S

W

  • S 10 mph
  • Gusts: 17 mph

Mostly cloudy with a flurry or two; watch for some freezing drizzle as well

  • Max UV Index: 1 (Low)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0.0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 0 hrs
Lo 30° RealFeel® 20° Precipitation 14%

Night

N

E

S

W

  • SSE 10 mph
  • Gusts: 15 mph

Plenty of clouds

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

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 39° 32° N/A 35°
Low 30° 18° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:18 AM with 9:07 of sunlight, then sets at 4:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:32 AM with 10:01 of moolight, then sets at 4:33 PM

St. Charles Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 19, 2014; 12:16 PM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Sun. Hair Frizz

Sun. Wind Maps

Sun. UV Index