• Today

    Apr 20

    74°Lo 50°

    Partly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Apr 21

    74°Lo 44°

    Couple of showers, t-storms

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Tue

    Apr 22

    58°Lo 34°

    Clouds breaking and cooler

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Apr 23

    58°Lo 40°

    Partly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Apr 24

    68°Lo 48°

    A couple of thunderstorms

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 74° RealFeel® 71° Precipitation 61%

Day

N

E

S

W

  • WSW 13 mph
  • Gusts: 24 mph

Mostly cloudy, breezy and more humid with a couple of showers and a thunderstorm, mainly later

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0.13 in
  • Rain: 0.13 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 44° RealFeel® 34° Precipitation 55%

Night

N

E

S

W

  • NNW 12 mph
  • Gusts: 19 mph

A shower or thunderstorm around in the evening; otherwise, mainly clear and breezy

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • 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

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 74° 62° N/A 53°
Low 45° 42° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 13:37 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:12 AM with 10:17 of moolight, then sets at 11:29 AM

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Saint Charles Weather Report

Warm Easter Day in Chicago but Rain Coming on Monday

April 20, 2014; 3:12 AM ET

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The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Mon. Snow Day Potential