National Weather Service United States Department of Commerce

Wet weather continues across Pacific Northwest and New England

Two developing storm systems will continue to bring heavy rain to opposite coasts of the U.S. on Thursday. One system is affecting the Pacific Northwest and northern California while the other affects New England. There is a risk of flash flooding across parts of New England on Thursday where Flash Flood Watches are in effect.
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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

Mostly Clear

Mostly
Clear

Low: 44 °F

Thursday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 65 °F

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 50 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 73 °F

Friday
Night

Mostly Clear

Mostly
Clear

Low: 55 °F

Saturday

Sunny

Sunny

High: 74 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 49 °F

Sunday

Sunny

Sunny

High: 73 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 57 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around 44. Light southeast wind.
  • Thursday A slight chance of showers between noon and 3pm. Partly sunny, with a high near 65. South wind 5 to 7 mph. Chance of precipitation is 20%.
  • Thursday Night Mostly cloudy, with a low around 50. South wind around 5 mph becoming calm in the evening.
  • Friday Mostly sunny, with a high near 73. Calm wind becoming west around 6 mph in the afternoon.
  • Friday Night Mostly clear, with a low around 55. Light and variable wind becoming southwest around 5 mph after midnight.
  • Saturday Sunny, with a high near 74.
  • Saturday Night Mostly clear, with a low around 49.
  • Sunday Sunny, with a high near 73.
  • Sunday Night Partly cloudy, with a low around 57.
  • Monday Mostly sunny, with a high near 77.
  • Monday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
  • Tuesday A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
  • Tuesday Night Partly cloudy, with a low around 48.
  • Wednesday A 20 percent chance of showers. Mostly sunny, with a high near 61.