It will be mostly cloudy across Newfoundland with a chance of drizzle this morning in eastern, southern, and central Newfoundland. Along the west coast, showers are expected with 2 to 4 mm possible. Conditions across Labrador will be mostly cloudy. There is a chance of thunderstorms this afternoon across most of the Big Land. Highs will range from 15 to 20.

Two tropical waves are being monitored over the Atlantic Ocean as forecasters watch for potential tropical development this week. The U.S. National Hurricane Center said Sunday that a broad area of showers and thunderstorms associated with a tropical wave was located several hundred kilometres west-southwest of the Cabo Verde Islands. The system is expected to move westward across the central tropical Atlantic, with some gradual development possible during the early to middle

Overcast conditions will persist on the Avalon Peninsula. Elsewhere across Newfoundland, expect a mix of sun and cloud. Expect highs from 14 to 27. The Happy Valley-Goose Bay area will receive 5 mm of rain today, and drizzle is expected in Marystown. There is a chance of showers elsewhere.