National Weather Service United States Department of Commerce

Snow for Ohio Valley and mid-Atlantic Sunday into Monday; significant snowstorm forecast for the Northeast Monday into Tuesday

The clipper system bringing snow to the Ohio Valley and mid-Atlantic Sunday and Monday will transition to a strong nor'easter Monday into Tuesday. Heavy snow and strong wind, even blizzard conditions, are possible in parts of the northern mid-Atlantic and New England. A Blizzard Watch is in effect for Long Island and coastal Massachusetts. Winter Storm Watches stretch from Delaware to Maine.
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Hazardous Weather Conditions

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Saint Louis MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Today

Rain Chance for Measurable Precipitation 90%

Rain

High: 45 °F

Tonight

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 26 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 45 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 33 °F

Tuesday

Sunny

Sunny

High: 46 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 30 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 53 °F

Wednesday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 40 °F

Thursday

Breezy

Breezy

High: 46 °F

Detailed Forecast

  • Today Occasional rain. High near 45. Southwest wind 5 to 10 mph becoming north 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
  • Tonight A chance of rain and snow before 9pm, then a slight chance of snow between 9pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 26. Blustery, with a north wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
  • Monday Mostly sunny, with a high near 45. Northwest wind 7 to 9 mph becoming southwest in the afternoon.
  • Monday Night Partly cloudy, with a low around 33. Southwest wind 6 to 10 mph becoming northwest after midnight.
  • Tuesday Sunny, with a high near 46. Northwest wind 7 to 10 mph.
  • Tuesday Night Mostly clear, with a low around 30.
  • Wednesday Mostly sunny, with a high near 53.
  • Wednesday Night A 20 percent chance of rain. Mostly cloudy, with a low around 40.
  • Thursday Partly sunny, with a high near 46. Breezy.
  • Thursday Night Partly cloudy, with a low around 28.
  • Friday Mostly sunny, with a high near 41.
  • Friday Night Mostly cloudy, with a low around 29.
  • Saturday A slight chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 20%.