Fairly heavy showers (about 50mm) are also likely at some places, especially in the Central, North-central, North-western, Sabaragamuwa and Uva provinces and in the Galle district, the Department said.
A few showers also likely along the Eastern and North-Western coastal areas during the morning too.
Temporary localized strong winds during thundershowers are expected and the public is requested to take adequate precautions to minimize damages caused by lightning.