Michael Shannon returns to familiar creepy-dude territory as a good Midwestern family man racked with a dread that troubles his wife (Jessica Chastain): Are his hallucinations portents of the schizophrenia that runs in his family, metaphors for the terrors of keeping loved ones safe, or signs only he can see of a very real cosmic cataclysm ahead? Writer-director Jeff Nichols builds his elegantly shot, weather-sensitive horror story in waves of tension that crest as if pulled by tempests. A-