The meteorological office on Monday warned of low to moderate flash flood risk in several parts of Himachal Pradesh, including Chamba, Kangra, Mandi, Shimla, Sirmaur and Kinnaur, until Tuesday afternoon.

It also issued a 'yellow' alert of heavy rain, thunderstorm and lightning at isolated places in nine out of 12 districts in the state, barring Kinnaur, Chamba and Lahaul and Spiti till Tuesday.