• Clear 71°
    Snow Days Current Weather
    • Wind
      Chill
      71°
    • Yesterday
      Precip
      0.92 in
    • Cloud
      Cover
      2%
  • Tonight

    Sep 2

    Lo 66°

    Turning cloudy and humid

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

    Sep 3

    Hi 88°

    A thunderstorm in the morning

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

    Sep 4

    Hi 94°

    A t-storm in the afternoon

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

Thunderstorms, some strong, Friday afternoon through Friday evening

9/2 9/3 Now: 10:33pm
PM 10-2
  • 10pm Mostly clear 71° 7%
  • 11pm Partly cloudy 70° 7%
  • 12am Partly cloudy 69° 7%
  • 1am Intermittent clouds 69° 7%
  • 2am Intermittent clouds 68° 7%
AM 9-2
  • 9am Thunderstorms 74° 51%
  • 10am Mostly cloudy 78° 47%
  • 11am Mostly cloudy 82° 20%
  • 12pm Mostly cloudy 82° 20%
  • 1pm Mostly cloudy 84° 20%
  • 2pm Partly sunny 87° 20%
PM 3-8
  • 3pm Partly sunny 88° 20%
  • 4pm Partly sunny 87° 20%
  • 5pm Partly sunny 86° 20%
  • 6pm Partly sunny 85° 20%
  • 7pm Partly sunny 82° 14%
  • 8pm Partly cloudy 79° 3%
Hourly Forecast >
Sep 02, 2014; 8:37 AM ET
Thunderstorms in the area late tonight through tomorrow afternoon
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

Tue. Snow Day Potential