Mr. Trump said his administration was working with state and local officials and that Department of Homeland Security Secretary Kristi Noem would be arriving in Texas shortly. DHS oversees the Federal Emergency Management Agency.

The White House rebuked critics for raising questions about the administration’s efforts to shrink federal agencies that deal with disaster preparedness and response.

The Trump administration’s proposed cuts to climate research and plans to overhaul federal disaster relief are under scrutiny after catastrophic flooding in Texas over the weekend left at least 104 dead.