Barometric Pressure in Fort Smith, United States 
1014.2 hPa
30.7 ℃
36%
2.4 m/s
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The average pressure in Fort Smith, Arkansas, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
The daily total fluctuation in pressure in Fort Smith is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Fort Smith hour by hour across the next 6 hourly readings.
The barometric pressure in Fort Smith, Arkansas, is influenced by the city's location in a valley. The pressure can fluctuate significantly over short periods. Changes in pressure can bring different weather patterns. Sudden drops in pressure often signal the approach of a low-pressure system, which can bring rain and storms. Conversely, rising pressure usually indicates fair weather.
Fort Smith is situated in the Arkansas River Valley, surrounded by the Ouachita Mountains to the south and the Ozark Mountains to the north. This unique landscape creates channels for air to move through, influencing local pressure patterns. The mountains can block or redirect air masses, leading to significant changes in pressure. The valley's low elevation also allows air to settle and stagnate, further affecting pressure readings.