Barometric Pressure
Barometric Pressure in Bethalto, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in Bethalto, Illinois, United States is predicted steady over the next 24 hours, with an average pressure of today, which is lower than normal.
Weather prediction: Rather unsettled clearing later
The daily total fluctuation in pressure in Bethalto is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Bethalto hour by hour and stay informed about how it will change over the next 6 hours.
Upcoming Days
Stay informed about the barometric pressure trends in Bethalto for the upcoming days, including daily minimum and maximum readings.
Betalto has varying air pressure due to its location in the Midwest, where cold and warm air masses collide. Low-pressure systems bring rain and thunderstorms in spring and summer. High-pressure systems dominate in winter, bringing cold and clear skies. Betalto's proximity to the Mississippi River and surrounding hills affects air pressure, creating microclimates. The region experiences a humid continental climate with extreme pressure changes. In spring, low pressure brings tornadoes and strong storms. Summer high pressure brings hot and humid conditions. Autumn low pressure brings rain and cooler temperatures. Winters have high pressure, cold temperatures, and some snow.