Flash floods and tornadoes led to three deaths in Oklahoma as severe storms hit parts of that state as well as Texas and Missouri over the Easter holiday weekend. Tens of thousands of people lost power at the height of the storms,

Two people died Saturday night in an Oklahoma City suburb after floodwaters swept their truck into a creek, police said. One of the deceased was 12 years old.

Additional heavy rain is expected across the Plains this week. With streams already swollen and the ground saturated, that leaves the area at risk of additional flooding.