Hurricane Harvey is expected to dump more than 4 feet of rain over the city of Houston, and its residents are in need of help. Check out this list of ways you can help those in Houston and comment with additional resources. We will update the article throughout the day with more ways to help.

Donate blood
Visit a blood bank at one of these locations in or around the Houston area. Last week, We are Blood, an Austin nonprofit, said it was in immediate need of Type O blood donors to provide transfusions. Look at this map to find where to donate.

Several local businesses are also hosting blood drives, including Giant Noise, located at 1208 E. Seventh St., Austin, which is hosting a blood drive Tuesday.

House those in need
If you have a spare room or lodging space near the Houston area, offer to house those fleeing Hurricane Harvey in your home through AirBnB. The housing service is waiving all service fees from now until Friday. On this site you can offer up your home or find accommodations.

You can also find a map of all available shelters in the area, with any restrictions including gender and pets.

Support food pantries
Although the Houston Food Bank is currently closed because of floodwaters, it is still accepting donations. The pantry plans on reopening as soon as possible to provide disaster relief to surrounding residents. Find out more here about how to donate food or money.

Volunteer your time
Volunteer Houston is launching a virtual volunteer reception center to sign up those looking to donate their time. Sign up with Volunteer Houston here and the Red Cross here.

You can also volunteer throughout the state with the National Voluntary Organizations Active in Disaster. Sign up here.

Donate money
Contribute financially to disaster relief through the Red Cross or The Salvation Army. You can also donate $10, to be charged to your monthly phone bill, by texting the word REDCROSS to 90999.

Houston Mayor Sylvester Turner has established a Hurricane Harvey Relief Fund that accepts tax-deductible flood relief donations. Donate here.

Help find loved ones
Those affected by Hurricane Harvey can mark themselves as "safe and well" on this Red Cross website. To find those who are safe, you can search a list of names here.

Facebook groups like this one are gathering posts from around the area with requests and offerings from around the area.