King James Version
And if the family of Egypt go not up, and come not, that have no rain; there shall be the plague, wherewith the LORD will smite the heathen that come not up to keep the feast of tabernacles.English Standard Version
And if the family of Egypt does not go up and present themselves, then on them there shall be no rain; there shall be the plague with which the LORD afflicts the nations that do not go up to keep the Feast of Booths.New International Version
If the Egyptian people do not go up and take part, they will have no rain. The LORD will bring on them the plague he inflicts on the nations that do not go up to celebrate the Feast of Tabernacles.