Barometric Pressure in Texas, Mexico 
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The pressure in Texas, San Luis Potosí, Mexico is predicted to slowly drop over the next few hours, with an average pressure of 814.4 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Texas is 6.6 hPa, with a low of 811.8 hPa and a high of 818.4 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Texas hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in San Luis Potosí, Mexico is usually high. It averages around 1013 millibars. This is because of its inland location. The city is far from the coast, away from the moderating influence of the ocean.
San Luis Potosí is surrounded by mountains. The Sierra de San Miguelito mountains are to the north. The Sierra de Álvarez mountains are to the south. These mountains block moisture from the Gulf of Mexico. They also block cold air from Canada.
The mountains create a rain shadow effect. This means that San Luis Potosí gets little rainfall. The city experiences a dry climate. The landscape also contributes to large temperature variations. It gets hot during the day and cold at night.