A drought can dry out vegetation, which in turn can fuel and intensify fires. Fire itself can weaken or kill plants and make the soil less permeable, meaning that rain is more likely to run off rather than soak in, causing flash floods and landslides.
Austen, Ian. Isai, Vjosa. “Vancouver Is Marooned by Flooding and Besieged Again by Climate Change” The New York Times. November 21, 2021.