• Clouds and sun 83°
    Snow Days Current Weather
    • Wind
      Chill
      83°
    • Yesterday
      Precip
      0.37 in
    • Cloud
      Cover
      52%
  • Today

    Sep 1

    Hi 84°

    A strong afternoon t-storm

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

    Sep 2

    Hi 86°

    A thunderstorm in the morning

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

    Sep 3

    Hi 88°

    A couple of morning t-storms

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

Thunderstorms, some strong, this evening through tomorrow morning

9/1 9/2 Now: 5:24pm
PM 5-9
  • 5pm Intermittent clouds 83° 45%
  • 6pm Intermittent clouds 82° 49%
  • 7pm Mostly cloudy w/ t-storms 79° 53%
  • 8pm Intermittent clouds 77° 40%
  • 9pm Intermittent clouds 76° 34%
AM 4-9
  • 4am Thunderstorms 72° 56%
  • 5am Thunderstorms 71° 51%
  • 6am Cloudy 70° 47%
  • 7am Cloudy 70° 40%
  • 8am Cloudy 71° 34%
  • 9am Cloudy 73° 34%
AM 10-3
  • 10am Mostly cloudy 76° 40%
  • 11am Thunderstorms 79° 51%
  • 12pm Intermittent clouds 80° 47%
  • 1pm Partly sunny 82° 36%
  • 2pm Partly sunny 85° 20%
  • 3pm Mostly sunny 86° 20%
Hourly Forecast >
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

Mon. Snow Day Potential