Continuity: In the auto shop outside the drive-in movie theatre, the pickup truck is hit by a flying car and one side of the truck falls into the service pit; in the next scene, the pickup truck falls into the pit again.
Revealing mistakes: As the Galaxy Theatre sign is flying through the air and hitting the auto shop, there is a cable attached to the point of the sign's arrow pulling the sign through the scene into the shop.
Continuity: CB radios can't transmit unless their microphone is held.
Continuity: The number of buttons done up on Bill's shirt while at Aunt May's house.
Crew or equipment visible: Just before a twister strikes the farm of Jo's aunt the windmill-artwork in the yard starts to move.
In the upper right corner of the scene a hand can be seen turning one of the windmills.
[wide screen only]
Continuity: When in the truck after leaving Aunt Meg's house Bill says to Jo "Lets wire you up".
While he is saying this you can see she is already "wired" with a headset round her neck.
This disappears in the next cut to allow Bill to replace it.
Continuity: State of repair and cleanliness of the truck's windshield as it dodges the falling houses, tractors, etc.
Factual errors: When Jonas' truck explodes upon impacting the ground, the explosion and associated smoke should have been sucked into the tornado, not just billowed straight up.
Continuity: When the final twister goes through the farm machinery yard and picks up the machinery, the two flags at the front of the shop are gently flapping in a light breeze and are facing in the wrong direction.
Continuity: In the final scene, the headset is around Jo's neck, then not around her neck, then back on again; also, when she's wearing the headset, her hair is wet and stuck to her forehead, but when she's not wearing the headset, her hair is not as wet.
Continuity: When Bill pulls into the ditch, he is at first already in the ditch, but in the next scene, he is in the middle of the road just pulling into the ditch.
Continuity: When inside the shed, Jo puts herself in the leather belt strap, yet in the next scene, she gets inside of it again.
Continuity: During the scenes while the sensors are getting their "wings" added, Mose is riding in the front seat of one of the trucks, but at the same time he is under the workbench where the vanes are getting attached.
Revealing mistakes: The blue, clear sky is reflected and seen in many scenes where it should be dark and cloudy.
Continuity: When everyone is leaving the truck stop for the first twister chase, the yellowish-brown bus leaves first, yet moments later it's still in its parking spot.
Then it follows the rest of the crew out.
Continuity: When Bill crashes Jo's truck on the bridge, the hood crumples up.
When they duck under the bridge for safety, it is restored.
Crew or equipment visible: When Jo and Bill are driving through what's left of Wakita, they see Aunt Meg's house.
At the top of the house, ropes are visible to prevent the house from falling off cue.
Continuity: At one point the truck's windshield is hit and gets cracked; a second later the windshield is fine.