"We have good news", said Jeff Lindner, a meteorologist with the Harris County Flood Control District.
Nearly all of the reported Harvey-related deaths resulted from people drowning in their flooded vehicles. Analysts will be looking ahead to official government data from the U.S. Energy Information Administration due Wednesday afternoon. "So it's been days on days", Kaziny said.
But the danger in Texas is far from over, with people in the city of Port Arthur struggling to evacuate their homes as floodwaters rise. With the water still high in places and many hard-hit areas still inaccessible, those numbers seemed certain to increase.
Ola Mae Crooks, 83, died when her vehicle was caught in a flood in Walker County, north of Houston. Louisiana beefed up its emergency resources, doubling up on high water vehicles, boats and helicopters on duty. Evacuees took to bleacher seats, while another shelter in Beaumont had reached its 600 capacity.
About 13,000 people have been rescued in the Houston area, and more than 17,000 have sought refuge in Texas shelters.
The fundraiser continued to pick up steam, and quickly surpassed subsequent goals of $2 million and $3 million.
The hurricane center said Harvey should weaken to a tropical depression by tonight.
President Donald Trump visited the affected area on Tuesday, telling rescue organisers: "This was of epic proportion, nobody has ever seen anything like this". Some have been at the civic center since Monday.
Harvey - which made landfall Friday as a Category 4 hurricane - continues to bring devastating flooding to the region. "Please keep him, his family and the Creek Wildcats in your thoughts during this tragedy", the tweet said.
Tropical storm Harvey has displaced 15 Nepali families living in Greater Houston in Southeast Texas of the USA.
Sgt. Perez's wife begged him not to go to work, but he insisted he help his co-workers, telling her "we've got work to do", CNN reports. I'm excited to get back.
Deputy Marcus McLellan says city's 911 system has been inundated with calls, which are bouncing to other law enforcement agencies.
The Indian-American community has rallied themselves around to help people in distress.
Houston Mayor Sylvester Turner imposed a curfew from midnight to 5am amid reports of looting, armed robberies and people impersonating police officers.
"We won't say congratulations", he said.