National Weather Service United States Department of Commerce

Flash flooding possible across southern Plains through early Thursday

A wet weather system continues across the southern U.S., with abundant moisture bringing heavy rain and a risk of flash flooding to parts of the southern Plains through early Thursday. The heaviest rain will fall across Oklahoma into western Arkansas. The flash flood threat should diminish later Thursday, as the system weakens over Texas.
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Hazardous Weather Conditions

Current Conditions

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Saint Charles MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Today

Patchy Fog

Patchy
Fog

High: 85 °F

Tonight

Partly Cloudy

Partly
Cloudy

Low: 64 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 84 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 64 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 85 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 64 °F

Sunday

Sunny

Sunny

High: 86 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 65 °F

Monday

Sunny

Sunny

High: 87 °F

Detailed Forecast

  • Today Patchy fog before 9am. Otherwise, sunny, with a high near 85. Light and variable wind.
  • Tonight Partly cloudy, with a low around 64. Light and variable wind.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Light and variable wind.
  • Friday Night Partly cloudy, with a low around 64. Light northeast wind.
  • Saturday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.
  • Saturday Night Partly cloudy, with a low around 64.
  • Sunday Sunny, with a high near 86.
  • Sunday Night Mostly clear, with a low around 65.
  • Monday Sunny, with a high near 87.
  • Monday Night Mostly clear, with a low around 68.
  • Tuesday Mostly sunny, with a high near 90.
  • Tuesday Night Partly cloudy, with a low around 70.
  • Wednesday Mostly sunny, with a high near 90.