UPDATE: Tangipahoa Parish President Robby Miller is set to announce a curfew for all residents from 8 p.m. Friday night to 6 a.m. Saturday morning.

Residents planning to evacuate must do so before 8 p.m.

Tangi Parish Prez just told me he's about to announce an 8pm-6am curfew so if you plan to evacuate (leaders are suggesting you do so if you flooded in March) do it before 8 p.m.

TANGIPAHOA PARISH, La. -- If you experienced flooding earlier this year, now is the time to evacuate.

Tangipahoa Parish President Robby Miller is urging a voluntary evacuation for residents who experienced flooding earlier this year when heavy rain flooded the parish in March.

"The National Weather Service forecast suggests this rain event will be equal to or worse than the March flood," Miller said midday Friday," Miller said. "We urge those who live along the river and who can safely evacuate to higher ground to do so now."

MORE: Road Closures for Washington, St. Tammany and Tangipahoa Parishes

The parish has conducted 140 active water rescues so far according to Miller.

The National Guard has 39 high-water vehicles and five boat teams on their way or actively supporting search and rescue operations across Louisiana at this time.

"We have daylight for a few more hours," Miller said. " If you need to move to higher ground and can do so, now is the time."

Governor John Bel Edwards declared a state of emergency in Louisiana Friday as severe storms caused flooding across the state.

Most of Southeast Louisiana is under a Flash Flood Watch until Saturday morning, while some parishes are under a more severe Flash Flood Warning until this afternoon.

MORE: Flash flood warnings, watches in effect for several parishes