Gov. Greg Abbott wrote a letter Wednesday morning instructing flags on state property to immediately be lowered statewide.

More than 100 people have been confirmed dead since July 4, when the Guadalupe River in central Texas swelled overnight and triggered flash floods that swept through an area known locally as “Flash Flood Alley.

From fundraisers and benefits to nonprofit organizations doing the hard work, here's a list of ways to help victims of the July 4 weekend floods.