Barometric Pressure Forecast for Terre Haute, Indiana
Barometric pressure forecast for Terre Haute, Indiana — on the Wabash River on the flat till plain of west-central Indiana. See current barometric pressure and what it means for weather-sensitive people.
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Pressure and weather in Terre Haute
Terre Haute stands on a bluff above the Wabash River in west-central Indiana, on the broad flat till plain the ice sheets left across this part of the Corn Belt, with the Illinois line a few miles west. There is no terrain here to speak of and no large body of water nearby, which means weather systems cross the area at full strength and undiluted. The city sits squarely in the preferred track of Colorado lows, which run northeast from the southern Plains through the mid Mississippi and Ohio valleys and provide the deepest pressure falls of the winter, often accompanied by the awkward mix of snow, sleet and freezing rain that comes with sitting close to a storm's centre. Spring is the volatile season, when Gulf moisture surges north ahead of Plains cold fronts and squall lines cross in the late afternoon and evening. Summer is hot and humid, with the Corn Belt's own evapotranspiration pushing dew points higher than the latitude alone would explain, and the barometer nearly flat between convective events.
What this means for you
Open country means a front reaches here with nothing to slow or weaken it first. The change shown on a barometric pressure forecast translates almost directly into what the day feels like on this plain.