Barometric Pressure in McAlester, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in McAlester, Oklahoma, United States is predicted rising over the next 24 hours, with an average pressure of today, which is lower than normal.
Weather prediction: Fine, becoming less settled
The daily total fluctuation in pressure in McAlester is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in McAlester 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 McAlester for the upcoming days, including daily minimum and maximum readings.
McAlester, Oklahoma has a humid subtropical climate with changing air pressure throughout the year.
Its location in southeastern Oklahoma means it's near the intersection of warm, moist Gulf air and cool, dry Canadian air.
This clash of air masses creates different air pressure patterns. When warm air rises, air pressure decreases, and when cool air sinks, air pressure increases.
In summer, warm, humid air dominates, causing low air pressure and frequent thunderstorms. In winter, cool, dry air dominates, causing high air pressure and clearer skies.