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Windows & doors in Grand Coteau: St. Landry Parish has seen damaging thunderstorm winds and tornadoes in the last 10 years, with hail up to 1.25 inches.
In St. Landry Parish, July highs average about 92°F and January lows about 41°F, with roughly 61 inches of rain a year. That much heat keeps air conditioners running hard for months, so a yearly tune-up pays off.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, tornadoes and flash floods in St. Landry Parish, with hail up to 1.25 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
St. Landry Parish has had 37 federal disaster declarations in the last 25 years, most often for hurricanes; the latest was Tropical Storm Arthur (2026).
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Where storms are common, impact-rated windows and doors protect the home and can lower insurance; elsewhere, efficient glass cuts energy bills.
Most last 20–30 years; drafts, fogging between panes and hard-to-open sashes say it is time.
These are St. Landry Parish figures — more about homes in Opelousas.
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