National Weather Service United States Department of Commerce

Flash flooding possible across parts of Great Basin and southern Plains

A very wet pattern will persist across the Great Basin and into the southern Plains on Tuesday. Heavy rainfall is expected from southeastern Wyoming across Colorado, northeastern New Mexico into the Texas Panhandle and western Oklahoma. Isolated rainfall rates of 1-2 inches per hour will bring a risk of flash flooding to these areas
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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

This
Afternoon

Partly Sunny

Partly
Sunny

High: 81 °F

Tonight

Decreasing Clouds

Decreasing
Clouds

Low: 61 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 84 °F

Wednesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 62 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 84 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 63 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 83 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 64 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 83 °F

Detailed Forecast

  • This Afternoon Partly sunny, with a high near 81. Northwest wind around 7 mph.
  • Tonight Mostly cloudy, then gradually becoming clear, with a low around 61. Northwest wind 5 to 7 mph becoming calm in the evening.
  • Wednesday A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Light west wind.
  • Wednesday Night A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening.
  • Thursday A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.
  • Thursday Night A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63.
  • Friday A slight chance of thunderstorms after 8am. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
  • Friday Night A slight chance of thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
  • Saturday A slight chance of thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
  • Saturday Night A slight chance of thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
  • Sunday Mostly sunny, with a high near 85.
  • Sunday Night Mostly clear, with a low around 65.
  • Monday Mostly sunny, with a high near 87.