• Light rain 62°
    Snow Days Current Weather
    • Wind
      Chill
      62°
    • Yesterday
      Precip
      0 in
    • Cloud
      Cover
      100%
  • Today

    Apr 19

    Hi 72°

    Showers and a heavier t-storm

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

    Apr 20

    Hi 63°

    Cooler with variable clouds

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

    Apr 21

    Hi 63°

    Partly sunny and breezy

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

Thunderstorms in the area this morning through late tonight

4/19 4/20 Now: 8:37am
AM 8-12
  • 8am Cloudy 63° 43%
  • 9am Thunderstorms 64° 51%
  • 10am Cloudy 66° 47%
  • 11am Cloudy 68° 34%
  • 12pm Cloudy 70° 34%
PM 7-12
  • 7pm Intermittent clouds 67° 48%
  • 8pm Intermittent clouds 66° 34%
  • 9pm Intermittent clouds 66° 34%
  • 10pm Intermittent clouds 65° 39%
  • 11pm Intermittent clouds 64° 49%
  • 12am Thunderstorms 61° 61%
AM 1-6
  • 1am Thunderstorms 62° 61%
  • 2am Thunderstorms 62° 54%
  • 3am Cloudy 62° 49%
  • 4am Cloudy 62° 46%
  • 5am Cloudy 60° 49%
  • 6am Thunderstorms 55° 54%
Hourly Forecast >
Apr 19, 2015; 5:04 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

Sun. Snow Day Potential