Rainfall amounts of 1 to 2 inches with isolated amounts of 3 to 5 inches are possible, the National Weather Service said.

Authorities believe more than 160 people may still be missing in Kerr County alone, and 10 more in neighboring areas.

Ford and its philanthropic arm are donating money, and dealers will donate cars and aid to Texans impacted. Toyota and GM have plans to help, too.