Barometric Pressure in Saint Louis, United States 
1013 hPa
15.0 ℃
50%
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Saint Louis hour by hour across the next 6 hourly readings.
The barometric pressure in Saint Louis, Michigan, fluctuates daily. It changes due to the movement of high and low-pressure systems. These systems bring different weather patterns to the area. Pressure changes can indicate an approaching storm or fair weather.
Saint Louis is situated in the middle of Michigan's Lower Peninsula. The city lies near the confluence of the Pine and Saint Louis rivers. Surrounding hills and forests influence the local atmospheric pressure. The terrain disrupts airflow, creating pockets of high and low pressure. This unique landscape contributes to the variability in Saint Louis' weather.