• Mostly cloudy 51°
    Snow Days Current Weather
    • Wind
      Chill
      51°
    • Yesterday
      Precip
      0 in
    • Cloud
      Cover
      75%
  • Today

    Sep 17

    Hi 69°

    A thunderstorm this afternoon

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
  • Tomorrow

    Sep 18

    Hi 74°

    Partly sunny and nice

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
  • Friday

    Sep 19

    Hi 79°

    Partly sunny and comfortable

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
Next

A thunderstorm this afternoon

9/17 9/18 Now: 6:19am
AM 6-10
  • 6am Mostly clear 51° 0%
  • 7am Mostly sunny 52° 2%
  • 8am Fog 54° 5%
  • 9am Fog 56° 5%
  • 10am Fog 60° 6%
PM 5-10
  • 5pm Intermittent clouds 69° 43%
  • 6pm Intermittent clouds 68° 47%
  • 7pm Mostly cloudy w/ t-storms 65° 51%
  • 8pm Partly cloudy 63° 5%
  • 9pm Partly cloudy 62° 2%
  • 10pm Partly cloudy 61° 2%
PM 11-4
  • 11pm Partly cloudy 59° 2%
  • 12am Partly cloudy 59° 2%
  • 1am Partly cloudy 58° 1%
  • 2am Intermittent clouds 58° 0%
  • 3am Intermittent clouds 58° 0%
  • 4am Mostly cloudy 57° 0%
Hourly Forecast >
Sep 16, 2014; 4:11 PM ET
Expect showers Saturday night
St. Louis, MO Weather Forecast

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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

Wed. Snow Day Potential