Tiangong-1 is currently predicted to reenter the Earth’s atmosphere around April 3rd, 2018 ± 1 week.
http:// www.aerospace.org/cords/reentry-predictions/tiangong-1-reentry/
Yellow indicates locations that have a higher probability while green indicates areas of lower probability. Blue areas have zero probability of debris reentry since Tiangong-1 does not fly over these areas (north of 42.7° N latitude or south of 42.7° S latitude)