Rain, at times heavy, is expected for the city of Lloydminster.
A low pressure system in Montana will move northward tonight and is expected to bring widespread rain to Alberta overnight into Sunday. Total rainfall amounts of 50-75 mm by Monday morning are likely.
For areas near Coronation and Medicine Hat, local rainfall amounts may be higher in thunderstorms tonight. Rain is expected to end by Sunday evening.
For areas near Edmonton and to the east, scattered showers this evening will become more widespread through the overnight period and will persist through Sunday before ending early Monday morning.
Heavy downpours can cause flash floods and water pooling on roads.
Rainfall warnings are issued when significant rainfall is expected.