Barometric Pressure in Grand Prairie, United States 
1015.2 hPa
32.8 ℃
25%
2.57 m/s
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The average pressure in Grand Prairie, Louisiana, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Grand Prairie is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Grand Prairie hour by hour across the next 6 hourly readings.
Grand Prairie, Louisiana, has a humid subtropical pattern, with frequent warm-season showers and thunderstorms. In summer, strong high pressure often brings hot, humid stretches, though Gulf moisture helps fuel storms. In cooler months, passing low-pressure systems and cold fronts bring rain; pressure usually rises behind the fronts.
The area’s low, mostly level prairie terrain offers little protection from moving air masses. Moist air travels inland from the Gulf of Mexico, keeping humidity high and supporting heavy downpours. Flat land lets cold fronts cross with few barriers, while nearby wetlands and waterways add moisture.
Summers are long, hot, and humid, with showers often forming in the afternoon. Spring and fall bring shifting conditions as warm, moist Gulf air meets cooler air behind fronts. Winters are generally mild, but brief cold spells can follow strong fronts. Snow is rare.