Water sloshes from a fill hole atop the steel tank and strikes the dirt road in puffs of dust. With weathered hands, short nails and a once black felt cowboy hat, Adam Cline motors the water truck through the anxious herd. Piled on the floor beside him are several 40 pound bags of soybean meal, a more affordable protein supplement that protects the herd from malnourishment. Cline is fortunate: his cautious management strategies over the last two years will likely carry this operation through yet another drought year, without having to sell off any cows.

“Every rancher is equipped for an average drought,” he tells me. “But a drought like this is really hard to manage for… Emotionally it's like a battle...