National Weather Service United States Department of Commerce

Severe weather possible for parts of eastern U.S.

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon & evening across parts of the Ohio Valley, Appalachians & eastern Great Lakes, from eastern Kentucky northeastward to central New York. The main threat will be strong, damaging wind gusts. Isolated strong to severe storms will also be possible across parts of the southern Plains & lower Miss. Valley.
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Hazardous Weather Conditions

Current Conditions

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Arnold MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

This
Afternoon

Mostly Sunny

Mostly
Sunny

High: 86 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 69 °F

Wednesday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 89 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 74 °F

Thursday

Sunny

Sunny

High: 94 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 74 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 90 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 67 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 78 °F

Detailed Forecast

  • This Afternoon Mostly sunny, with a high near 86. West wind around 5 mph.
  • Tonight A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Light and variable wind.
  • Wednesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
  • Wednesday Night Partly cloudy, with a low around 74. South wind around 6 mph.
  • Thursday Sunny, with a high near 94. South wind 5 to 10 mph.
  • Thursday Night Partly cloudy, with a low around 74.
  • Friday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
  • Friday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
  • Saturday A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
  • Saturday Night Mostly cloudy, with a low around 61.
  • Sunday Mostly sunny, with a high near 77.
  • Sunday Night Partly cloudy, with a low around 57.
  • Monday Mostly sunny, with a high near 80.