A flash flood emergency has been issued for parts of southeastern Texas as rainfall rates reach a whopping 5 inches per hour on Wednesday.

Ten to 21 inches of rain has been recorded so far, and the heavy rain -- which started when Tropical Storm Edouard made landfall on Tuesday afternoon -- is ongoing.

Antranik Tavitian/Getty Images - PHOTO: Tropical Storm Edouard passes over Beaumont, September 1, 2026, in Beaumont, Texas.
Antranik Tavitian/Getty Images - PHOTO: Tropical Storm Edouard passes over Beaumont, September 1, 2026, in Beaumont, Texas.

The flash flood warning is in effect in Hardin and Tyler counties.

The National Weather Service warned that "flash flooding is already occurring."

Antranik Tavitian/Getty Images - PHOTO: A man tries to hold onto an umbrella as he walks out of an H-E-B as Tropical Storm Edouard approaches, September 1, 2026, in Port Arthur, Texas.
Antranik Tavitian/Getty Images - PHOTO: A man tries to hold onto an umbrella as he walks out of an H-E-B as Tropical Storm Edouard approaches, September 1, 2026, in Port Arthur, Texas.
Antranik Tavitian/Getty Images - PHOTO: A damaged G.I. Surplus store is seen during Tropical Storm Edouard, September 1, 2026, in Beaumont, Texas.
Antranik Tavitian/Getty Images - PHOTO: A damaged G.I. Surplus store is seen during Tropical Storm Edouard, September 1, 2026, in Beaumont, Texas.

Tropical Storm Edouard makes landfall; will bring heavy rain to Texas, Louisiana

Residents should move to higher ground, the NWS said, calling it "an extremely dangerous and life-threatening situation."