• Sun

    Mar 8

    37°Lo 25°

    Chilly with clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Mon

    Mar 9

    41°Lo 28°

    Sunny and chilly

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      15%
    • Hours of Precip
      0
    more
  • Tue

    Mar 10

    49°Lo 35°

    Sunny and milder

    Unlikely for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      1%
    • Hours of Precip
      0
  • Wed

    Mar 11

    50°Lo 34°

    Plenty of sunshine

    Advisory for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Thu

    Mar 12

    49°Lo 36°

    Abundant sunshine

    Advisory for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      0%
    • Hours of Precip
      3
    more
Next Previous
Hi 49° RealFeel® 59° Precipitation 1%

Day

N

E

S

W

  • N 4 mph
  • Gusts: 13 mph

Sunny and milder

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 35° RealFeel® 32° Precipitation 1%

Night

N

E

S

W

  • SE 6 mph
  • Gusts: 12 mph

Clear

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

Temperature History - Mar 10

more Historical Weather Data >
  Today Normal Record 3/10/2014
High 49° 44° N/A 49°
Low 35° 28° N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:14 AM with 11:40 of sunlight, then sets at 6:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:48 PM with 10:28 of moolight, then sets at 10:16 AM

St. Charles Weather Report

Chicago: Bitter Cold to Depart by the Weekend

March 3, 2015; 6:35 PM ET

While frigid conditions will encompass the Chicago area over the next couple of days, the weekend will offer a break from the bitter cold. 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.