Clouds were gathering in the sky, so it would rainClouds were gathering in the sky, so it would rain
Frosty sunset reflected in the water of the river surrounded by rain-covered grass and treesFrosty sunset reflected in the water of the river surrounded by rain-covered grass and trees
Атмосферные осадки в виде водяных капель. Поток мелких частиц чего-н., сыплющихся во множестве. Множество, большое количество чего-н., непрерывно исходящее откуда-н. ( разг. ).