• Clear 60°
    Snow Days Current Weather
    • Wind
      Chill
      60°
    • Yesterday
      Precip
      0 in
    • Cloud
      Cover
      0%
  • Tonight

    Oct 20

    Lo 41°

    Mainly clear

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

    Oct 21

    Hi 65°

    Mostly sunny and pleasant

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

    Oct 22

    Hi 62°

    A full day of sunshine

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

Mostly sunny this weekend

10/20 10/21 Now: 7:36pm
PM 7-11
  • 7pm Clear 60° 0%
  • 8pm Clear 56° 0%
  • 9pm Clear 54° 0%
  • 10pm Clear 52° 0%
  • 11pm Mostly clear 50° 0%
AM 6-11
  • 6am Mostly clear 41° 0%
  • 7am Mostly clear 42° 0%
  • 8am Mostly sunny 45° 0%
  • 9am Mostly sunny 49° 0%
  • 10am Mostly sunny 55° 0%
  • 11am Mostly sunny 59° 0%
PM 12-5
  • 12pm Mostly sunny 61° 0%
  • 1pm Mostly sunny 63° 0%
  • 2pm Mostly sunny 64° 0%
  • 3pm Mostly sunny 65° 0%
  • 4pm Mostly sunny 64° 0%
  • 5pm Mostly sunny 62° 0%
Hourly Forecast >
Oct 20, 2014; 7:44 AM 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