National Weather Service United States Department of Commerce

Severe storms and heavy rain possible from parts of Plains to Great Lakes on Labor Day

Isolated severe thunderstorms are forecast to develop on Labor Day along and ahead of a cold front from parts of the southern Great Lakes southwestward across Illinois and Missouri into southeast Kansas. Damaging winds, large hail and heavy rainfall will be possible with these storms.
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Hazardous Weather Conditions

Current Conditions

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Saint Louis MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Labor
Day

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

High: 90 °F

Tonight

Heavy Rain Chance for Measurable Precipitation 90%

Heavy
Rain

Low: 74 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 87 °F

Tuesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 71 °F

Wednesday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 89 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 75 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 93 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 74 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 90 °F

Detailed Forecast

  • Labor Day Showers and thunderstorms likely before 4pm, then thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 90. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
  • Tonight Occasional showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 74. Southwest wind 5 to 7 mph. Chance of precipitation is 90%.
  • Tuesday A 30 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. Northwest wind 3 to 6 mph.
  • Tuesday Night A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Light and variable wind.
  • Wednesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Light southeast wind becoming south 5 to 10 mph in the morning.
  • Wednesday Night Partly cloudy, with a low around 75.
  • Thursday Mostly sunny, with a high near 93.
  • 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 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
  • Saturday A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
  • Saturday Night Mostly cloudy, with a low around 62.
  • Sunday Partly sunny, with a high near 77.