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Another round of thunderstorms is expected across New Orleans, with locally heavy rain and street-flooding concerns later this week; showers may occur Saturday as coverage eases Sunday.

New Orleans sees scattered showers and thunderstorms Wednesday before a wetter stretch arrives Thursday through Saturday. Heavy storms could bring lightning, gusts and localized street flooding.

New Orleans starts Tuesday with temperatures rising toward 90 degrees, but afternoon storms are back in the forecast. Wednesday and Thursday bring the week’s highest rain chances and a greater risk of localized flooding.

A possible tornado moved through a Walmart parking lot in Hammond, while nearly 5,000 customers were without power.

New Orleans faces a Heat Advisory Monday as the heat index could hit 111 before afternoon thunderstorms arrive. A wetter pattern takes over by midweek.

New Orleans has an 80% chance of showers and thunderstorms Friday. Storms remain in the forecast through Labor Day.

New Orleans faces a 105-degree heat index Thursday before storm chances build into the holiday weekend.

A clear, steamy morning gives way to afternoon storms Wednesday in New Orleans. The wetter pattern strengthens Friday and lingers through the weekend.

New Orleans gets a clear, muggy start Tuesday before storms build by late morning. The wet pattern sticks around through Labor Day.

New Orleans gets one more hot, mostly sunny Saturday before thunderstorms return Sunday. Daily storm chances continue through the workweek.

New Orleans gets a mostly sunny Friday and Saturday before storm chances jump Sunday and remain elevated into next week.

The Water Institute's flood forecasting tool, already used by 200-plus government agencies, is merging with satellite radar from Finland's ICEYE.