The mayor flees to his car, locking out at least four other people trying to get in, and other people are seen getting into their own vehicles. When he drives away, though, there are no people around and no evidence of other cars moving.
Did they say Washington State? How many tornadoes does Washington State have? It's brought up in the movie and the movie ends with one.
The film revolves around two events: the town's honey festival, and a strain of bees brought in from Mexico to pollinate crops. Quite apart from the fact that Mexico is a long way from Washington, with a totally different climate, a town so proud of its honey that it holds an annual festival must surely have sufficient hives of its own to make the honey that it would not need to bring in more.
Dylan becomes aware of the real threat from the bees, yet seems happy to perform with his band at the honey festival.