Slow-moving storms could bring flooding to the Triangle on Wednesday

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— A great deal of moisture flowing into North Carolina from the Gulf of Mexico is setting the stage for some heavy rainfall in the coming days.

“All we need now is a trigger to develop the rain and that trigger will be the low pressure system moving in later this week,” said WRAL meteorologist Mike Maze.

Wednesday will have a 30 percent chance for rain. We’re looking at another mild, muggy and dry morning followed by a warm afternoon. Scattered showers and thunderstorms will develop after 2 p.m.

“Our storms will be fairly slow-moving [Wednesday],” said WRAL meteorologist Elizabeth Gardner. “That means that we could see some heavy rain. We do have a flash-flooding risk. It’s a low risk, but it’s not a zero risk.”

The best chances for rain will come in the evening. Highs will top out in the upper 80s.

Wednesday hour-by-hour forecast

“Some of the rain Wednesday night could be on the heavy side,” said Maze.

Rain chances will continue to increase as the week goes on with Thursday having a 40 percent chance for rain.

Wednesday and Thursday feature a low risk of flooding, according to Maze, so any of the showers and storms the next two days could trigger flood advisories since the rain could be heavy at times.

Rainfall forecast for next 5 days

“I think the day that has the best chance for that is Friday, when that system is directly over us,” said Maze.

The 5-day rainfall total shows many locations in central North Carolina could see 1-2 inches of rain.

Friday and Saturday will then have a 50 percent chance for storms.

Temperatures will remain in the upper 80s for the work week, before dipping into the low 80s on Saturday.

Current Temperatures, DMA

After the driest spring on record, the state is set up for soaking conditions this week.

It was a wet start to the month, with 3.8 inches of rain recorded at Raleigh-Durham International Airport so far in June.

“The June average is 3.89, so we’re almost there already — just four days in,” said WRAL meteorologist Kat Campbell.

While Raleigh received about 2.4 inches of rain over the past week, other towns such as Greensboro received upwards of 6 inches of rain.

7-Day Forecast