COLUMBUS, Mississippi (WCBI) – Moisture returns so get ready for the heat and isolated rain chances. THURSDAY NIGHT: It is going to be another mild night, as moisture continues to move in from the South. Because of the increased humidity, the heat index values will be closer to 100. Isolated rain chances could pop-up in the afternoon through evening. Hot temperatures in the middle 90s, heat index values close to 100, and isolated chances for showers and storms through the weekend and into next week.