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Barometric Pressure Forecast for Siloam Springs, Arkansas

Barometric pressure forecast for Siloam Springs, Arkansas — on the Oklahoma line at the western edge of the Ozark Plateau. See current barometric pressure and what it means for weather-sensitive people.

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Pressure and weather in Siloam Springs

Siloam Springs sits right on the Oklahoma border in Benton County, where the Ozark Plateau falls away west toward the plains and the Illinois River cuts through on its way into Oklahoma. That edge-of-the-plateau position puts the town at the eastern end of the corridor storms take as they organise over Oklahoma and move into northwest Arkansas. Unlike much of the country, this region gets two distinct severe seasons: a strong one from late March into May, and a second, shorter one in late October and November when the jet stream swings back south. Both bring the multi-hour pressure falls ahead of a squall line that weather-sensitive residents recognise. Between them, summer settles into humid stagnation with very little barometric movement, and winter alternates between mild Gulf flow and abrupt Arctic intrusions. The barometric pressure forecast is most worth watching in April and again in November.

What this means for you

Two severe seasons means two clusters of trigger days, which is easy to miss if you only look at a single month. Use Pressure Pal as a migraine tracker app across a full year and check whether your weather migraine days form the same double peak the local storm climatology does.