Barometric Pressure Forecast for The Colony, Texas
Barometric pressure forecast for The Colony, Texas — on a peninsula in Lewisville Lake north of Dallas. See current barometric pressure and what it means for weather-sensitive people.
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Pressure and weather in The Colony
The Colony occupies a peninsula on the eastern side of Lewisville Lake in Denton County, on the transition between the Eastern Cross Timbers and the Blackland Prairie north of Dallas. The area's weather is defined by its position relative to the dryline, the sharp moisture boundary that sets up across West Texas on most spring afternoons and then drifts east. When Gulf moisture has surged far enough north and a Pacific trough supplies the lift, storms fire along that boundary and move into the metroplex in the evening, and the resulting spring severe season is among the most active in the country for large hail. The barometric signature of those days is a sagging afternoon trace in the moist warm sector followed by a sharp rise as the outflow arrives. Summer is the opposite. An upper-level ridge parks over Texas, the surface trace goes nearly flat for weeks, and the story becomes heat rather than pressure, with the lake adding humidity to already punishing afternoons. Winter is mild but punctuated by Arctic fronts dropping south across the Plains with a steep rise behind them and occasional damaging ice.
What this means for you
Spring here is the volatile season while high summer is nearly flat, reversing the pattern most northern readers expect. A barometric pressure forecast earns close attention from March to June and much less from July to September.