As shown in the Matrix or 'Fingerprint of God', blood rain is one of the first plagues to happen.  When you see these things rejoice.  Below are documented cases of it raining blood in the last few years.  

Blood Rain In India 2001 - Wikipedia Article

Blood Rain In India 2001 - YouTube Video

Blood Rain - Dr. Godfrey Louis, India

Blood Rain Reproduces In 600F Heat - CNN Article

Blood Rain In India - Sheffield University, England

Blood Rain In India 2007 - Wikipedia Article (see: Further occurrences)

Blood Rain In Columbia 2008 - Wikipedia Article

Blood Rain In Columbian Town Choco - Says Priest

For they have shed the blood of saints and prophets, and thou hast given them blood to drink; for they are worthy.

Blood Falls - Wikipedia on Blood Falls

Blood Falls - A Harvard Study

Blood Falls - NASA Blood Falls Imagery

Blood Falls - New York Times

Blood Falls - TIME on Blood Falls

Sky Splits - Indonesia, Yogyakarta - June 2010

Beloved, look up and rejoice for the marriage is near.