St. Louis, Mo. – A warm, dry stretch will carry St. Louis through the Labor Day weekend, giving the region several days of sunshine and comfortable weather before rain chances return early next week. Highs will stay in the low to mid-80s with cool nights in the low 60s, ideal for outdoor holiday plans.
According to the National Weather Service, skies will remain mostly sunny through Monday with calm to light winds. Saturday and Sunday both bring highs in the mid-80s, and while a few passing clouds are possible Saturday night, conditions will stay dry across the metro. Labor Day itself is expected to be mostly sunny with a high near 82, a touch cooler than the weekend.
Travelers should see smooth driving conditions with excellent visibility, though warmer afternoons may require extra hydration for those spending extended time outdoors. Overnight lows will dip into the lower 60s, giving the region a mild break from summer’s humidity.
By Tuesday, a 20 percent chance of showers and thunderstorms moves back into the forecast. Storms remain possible into midweek, though coverage looks scattered.
More updates are expected as the week progresses, but for now, sunshine remains the story through Labor Day.
Five Day Forecast for St. Louis, Mo.:
- Friday: Sunny, high near 87. Low 62.
- Saturday: Sunny, high near 85. Partly cloudy at night, low 63.
- Sunday: Mostly sunny, high near 83. Low 61.
- Labor Day (Monday): Mostly sunny, high near 82. Low 62.
- Tuesday: Mostly sunny with a 20% chance of showers and thunderstorms, high near 83.




