Shimla, Aug. 19 -- The southwest monsoon has remained active over Himachal Pradesh during the past 24 hours, with heavy to very heavy rainfall recorded at several places, but the weather system is expected to weaken significantly across the state after August 23, the India Meteorological Department (IMD) Himachal Pradesh head Shobhit Katiyar said on Wednesday.

Katiyar said several parts of the state received moderate to heavy rainfall during the past 24 hours, with the plains of Bilaspur and Hamirpur recording around 12-13 cm of rain. Heavy rainfall was also reported in parts of Chamba, Kangra, Solan and Mandi, while other districts received moderate rainfall.

"Over the next three days, the monsoon will remain active in some parts of th...