Barometric Pressure in Rock Island, United States 
1019.9 hPa
9 ℃
78%
1.12 m/s
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The average pressure in Rock Island, Illinois, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, improving
Rapid Pressure Changes
Rapid pressure changes detected in Rock Island, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in Rock Island is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Rock Island hour by hour across the next 6 hourly readings.
The barometric pressure in Rock Island, Illinois varies throughout the year. It tends to be higher during certain months and lower during others. This variation affects the weather patterns in the region.
Rock Island is situated near the Mississippi River. The city's proximity to the river affects the atmospheric pressure. Moist air from the river moves into the city. This air brings humidity and influences the pressure.
The surrounding landscape also plays a role. The city is surrounded by rolling hills and plains. These geographical features disrupt airflow and impact the pressure. As a result, the weather in Rock Island can be unpredictable.