The state is currently witnessing heavy rains since yesterday.
"Monsoon has been active over Goa during last 24 hours and in the present conditions it is expected that it will continue for next three to four days," IMD said in a statement issued here.
The state today witnessed moderate rain at most of the places.
The department has predicted that on September 18 "heavy to very heavy rainfall is likely to occur at a few places and extremely heavy rainfall is very likely to occur at isolated places over all the districts of Goa."
Similar warning is repeated for September 19 and September 20.
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