National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
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Current Conditions

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Saint Louis MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Tonight

Patchy Frost

Patchy
Frost

Low: 28 °F

Saturday

Morning Frost

Morning
Frost

High: 47 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 30 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 54 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 39 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 66 °F

Monday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 50 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 60 °F

Tuesday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 44 °F

Detailed Forecast

  • Tonight Patchy frost after 10pm. Otherwise, clear, with a low around 28. North wind 8 to 15 mph, with gusts as high as 22 mph.
  • Saturday Areas of frost before 9am. Otherwise, sunny, with a high near 47. North wind 5 to 7 mph.
  • Saturday Night Mostly clear, with a low around 30. Calm wind becoming southeast around 5 mph after midnight.
  • Sunday Mostly sunny, with a high near 54. South wind 6 to 11 mph.
  • Sunday Night Partly cloudy, with a low around 39. South wind 8 to 10 mph.
  • Monday Mostly sunny, with a high near 66.
  • Monday Night Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
  • Tuesday Showers likely and possibly a thunderstorm. Cloudy, with a high near 60. Chance of precipitation is 70%.
  • Tuesday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
  • Wednesday Mostly sunny, with a high near 61.
  • Wednesday Night Partly cloudy, with a low around 44.
  • Thursday Sunny, with a high near 61.
  • Thursday Night Mostly clear, with a low around 41.
  • Friday Mostly sunny, with a high near 57.