Landslides caused by torrential rain from tropical depression Fernand killed 13 people in eastern Mexico after cascading mud struck and buried homes on in Veracruz state on Monday.
A man was also killed when he drowned after being swept away by floodwaters in neighboring Oaxaca.
Fernand had weakened from a tropical storm to a depression after landfall sometime late Sunday, but heavy rains flooded areas, with Veracruz Governor Javier Duarte calling a federal emergency in 92 municipalities.
Some 300 people had been evacuated to shelters, according to Veracruz Civil Protection Director Noemi Guzman Lagunes.
And while Fernand has largely dissipated and passed over the state, Duarte said on Monday that the "emergency continues," as "our experience shows us that this type of weather phenomenon makes an impact with the amount of rain that it brings."
Fernand came during the Atlantic's hurricane season, which lasts between June 1 and November 1.