Joplin, MO is located in the Southwestern part of the state. Yesterday evening at 5:35pm Central Daylight Time it was hit by a tornado, which has been unofficially rated as an EF4. The town, including one of its two hospitals has been severely affected by the effect of this tornado.
If you are interested in helping with the relief effort please go to the Joplin, MO Tornado Recovery page on Facebook. After looking around the internet this was the most complete resource I found.
If you are not able to donate or physically help with the relief effort, then please for all of those, including rescue workers, who are coping with the effects of this disaster.
To those of you affected by this disaster, please know that prayers are being sent for you.