Barometric Pressure in Florissant, United States 
1022.1 hPa
12.2 ℃
74%
2.21 m/s
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The average pressure in Florissant, Missouri, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Florissant is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Florissant hour by hour across the next 6 hourly readings.
The weather in Florissant has big changes in barometric pressure because of its location in the Midwest. Storms often bring low pressure, while fair weather brings high pressure.
Florissant's elevation of about 500 feet above sea level and its flat landscape affect atmospheric pressure. Cold air from Canada and warm air from the Gulf of Mexico meet here, causing pressure changes.
In winter, high pressure dominates, bringing cold and dry air. In summer, low pressure prevails, leading to hot and humid weather. Spring and fall see more moderate pressure.
Florissant has a humid continental climate, which means big temperature and pressure swings throughout the year. This leads to varying weather conditions that affect how people feel.