LASALLE PARISH, La. — Hot temperatures will continue across LaSalle Parish through Labor Day, with heat index values reaching potentially dangerous levels Wednesday before rain chances increase late in the week, according to the National Weather Service.
Wednesday will be mostly sunny and hot with a high near 96 degrees. Heat index values could climb as high as 106 degrees. Light southeast winds will increase to 5 to 10 mph during the afternoon. Wednesday night will be partly cloudy with a low around 73.
Thursday will be sunny and hot with a high near 97. Winds will be calm before becoming southeast around 5 mph during the afternoon. Thursday night will be mostly clear with a low around 74.
The best chance for rain arrives Friday, when showers will become likely during the afternoon, with thunderstorms also possible after 1 p.m. The chance of precipitation is 70%. Despite the rain chances, temperatures will remain hot with a high near 95. A 20% chance of showers will continue Friday night before 1 a.m., with partly cloudy skies and a low around 73.
Saturday will bring a 40% chance of showers, with thunderstorms also possible after 1 p.m. Otherwise, conditions will be mostly sunny and hot with a high near 95. Saturday night will be partly cloudy with a low around 73.
A 30% chance of showers and thunderstorms remains in the forecast for Sunday. The day will otherwise be mostly sunny and hot with a high near 97. Sunday night will be mostly clear with a low around 74.
The hottest temperature in the extended forecast is expected on Labor Day, when the high could reach 99 degrees. Sunny and hot conditions are forecast along with a 20% chance of showers and thunderstorms.
Overall, LaSalle Parish can expect highs ranging from 95 to 99 degrees through Labor Day, with Friday bringing the greatest chance for showers and thunderstorms. Wednesday will bring the most significant heat-index concern, with feels-like temperatures potentially reaching 106 degrees.