Barometric Pressure in Saint Louis, United States 
1016.6 hPa
16.7 ℃
53%
6.46 m/s
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The average pressure in Saint Louis, Michigan, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fine, possible showers
Rapid Pressure Changes
Rapid pressure changes detected in Saint Louis, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in Saint Louis is , with a low of and a high of .
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.