• Mostly clear 74°
    Snow Days Current Weather
    • Wind
      Chill
      74°
    • Yesterday
      Precip
      0 in
    • Cloud
      Cover
      25%
  • Tonight

    Aug 31

    Lo 69°

    Mainly clear and warm

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    Day Details >
  • Tomorrow

    Sep 1

    Hi 90°

    Mostly sunny, hot and humid

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

    Sep 2

    Hi 91°

    Mostly sunny, hot and humid

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

Hot and humid tomorrow to Wednesday

8/31 9/1 Now: 11:37pm
PM 11-3
  • 11pm Clear 74° 0%
  • 12am Mostly clear 74° 0%
  • 1am Mostly clear 73° 0%
  • 2am Mostly clear 72° 0%
  • 3am Mostly clear 71° 0%
AM 10-3
  • 10am Mostly sunny 80° 0%
  • 11am Mostly sunny 84° 0%
  • 12pm Mostly sunny 86° 0%
  • 1pm Mostly sunny 88° 0%
  • 2pm Mostly sunny 89° 0%
  • 3pm Mostly sunny 90° 0%
PM 4-9
  • 4pm Mostly sunny 89° 0%
  • 5pm Mostly sunny 88° 0%
  • 6pm Mostly sunny 86° 0%
  • 7pm Mostly sunny 83° 0%
  • 8pm Clear 79° 0%
  • 9pm Clear 77° 0%
Hourly Forecast >
Aug 31, 2015; 3:45 PM ET
Five-day Weather Forecast for St. Louis, MO
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