10-Day Weather Forecast for St. Louis (MO)
Six-hourly outlook through Friday 11 September. Updated every three hours via MET Norway.
What's the weather in St. Louis this week?
Today's weather - Tuesday 1 Sep
Tonight, the weather in St. Louis will be clear skies, with temperatures around 31°C (88°F), dropping to 26°C (79°F) by morning.
Tomorrow's weather - Wednesday 2 Sep
For Wednesday the forecast for St. Louis is rain showers during the afternoon. High temperatures will reach a very hot 36°C (97°F), with lows dropping to around 26°C (79°F).
10-Day Weather Forecast
Over the next 10 days, temperatures in St. Louis will be will reach 37°C (99°F) on Friday before declining again, with average daytime highs of 34°C (93°F) and nighttime lows of 26°C (79°F) over this period. Compared to normal September conditions, this is much warmer than usual. There will be plenty of sunshine during this period. Rainfall is expected to be much less than usual (compared to typical September conditions). The forecast shows mixed conditions, with some heavy rain showers especially on Wed. Precipitation is likely on approximately 3 days (Wed, Sat, Sun). Expect generally calm wind conditions.
Weather Forecast FAQ for St. Louis
When will be the warmest day next week?
The warmest day is expected to be Friday with a high of 37°C (99°F).
When will be the coldest day?
The coldest day is forecasted for Monday with a low of 23°C (73°F).
Will it rain next week in St. Louis?
Yes, rain is expected on 3 days , specifically on Wed, Sat, Sun.
How much rainfall is expected next week?
A total of 6 mm (0.2 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 23°C (73°F) to 37°C (99°F).
More about St. Louis
Explore the full St. Louis climate overview with monthly averages, or check rainfall data and temperature by month.
St. Louis weather by month
Browse monthly averages for St. Louis: climate by month with temperature, rainfall and sunshine.
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