National Weather Service United States Department of Commerce

Snow for Ohio Valley and northern mid-Atlantic Sunday into Monday

A clipper system will strengthen as it moves from the Midwest to the Ohio Valley on Sunday. Snow, some heavy, will spread from the Ohio Valley into parts of the lower Great Lakes and northern mid-Atlantic Sunday into Monday morning. The heaviest snow is expected from central Ohio into southwest Pennsylvania. Winter Weather Advisories are in effect for many of these locations.
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Hazardous Weather Conditions

Current Conditions

St. Louis County

Zone Forecast

  • Today Cooler. Occasional rain. High in the mid 40s. Temperature falling into the 30s in the afternoon. Light wind early in the morning becoming northwest 10 to 20 mph in the late morning and afternoon. Chance of rain 90 percent.
  • Tonight Blustery...colder. Cloudy with chance of rain... Possibly mixed with snow early in the evening...then mostly cloudy with slight chance of snow late in the evening. Partly cloudy after midnight. Low in the mid 20s. Northwest wind 10 to 20 mph with gusts to around 30 mph. Chance of precipitation 50 percent.
  • Monday Partly cloudy. High in the mid 40s. West wind around 10 mph in the morning shifting to the southwest in the afternoon.
  • Monday Night Partly cloudy. Low in the lower 30s. West wind around 10 mph.
  • Tuesday Mostly sunny. High in the upper 40s. Northwest wind around 10 mph.
  • Tuesday Night Mostly clear. Low around 30.
  • Wednesday Partly cloudy. High in the lower 50s.
  • Wednesday Night Partly cloudy with a 20 percent chance of rain. Low around 40.
  • Thursday Breezy. Mostly cloudy. High in the mid 40s.
  • Thursday Night Through Friday Night Partly cloudy. Low in the upper 20s. High around 40.
  • Saturday Mostly cloudy with a 20 percent chance of rain and snow. High in the lower 40s.