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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Current Conditions

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Saint Charles MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Tonight

Rain Chance for Measurable Precipitation 80%

Rain

Low: 38 °F

Sunday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 46 °F

Sunday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 25 °F

Monday

Partly Sunny

Partly
Sunny

High: 44 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 32 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 45 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 29 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 53 °F

Wednesday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 40 °F

Detailed Forecast

  • Tonight Occasional light rain, mainly after 3am. Low around 38. Southwest wind around 9 mph. Chance of precipitation is 80%.
  • Sunday Occasional rain before 5pm, then a chance of rain and snow. High near 46. Southwest wind 10 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Sunday Night A chance of rain and snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 25. Blustery, with a north wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
  • Monday Partly sunny, with a high near 44. Northwest wind 7 to 10 mph becoming southwest in the afternoon.
  • Monday Night Partly cloudy, with a low around 32. Southwest wind 6 to 9 mph becoming northwest after midnight.
  • Tuesday Mostly sunny, with a high near 45.
  • Tuesday Night Mostly clear, with a low around 29.
  • Wednesday Mostly sunny, with a high near 53.
  • Wednesday Night A 30 percent chance of rain. Mostly cloudy, with a low around 40.
  • Thursday A 20 percent chance of rain. Mostly cloudy, with a high near 46.
  • Thursday Night Mostly cloudy, with a low around 27.
  • Friday Mostly sunny, with a high near 41.
  • Friday Night Mostly cloudy, with a low around 28.
  • Saturday A slight chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.