What would training thunderstorms mean for your neighborhood?

HOUSTON (KTRK) -- Heavy rain is likely in Houston overnight through Wednesday afternoon, as 4-8" of rain could fall in some neighborhoods. The heavier totals are due to "training" thunderstorms that move one after the other over the same location. Chief Meteorologist Tim Heller explains.

If you're planning to head out on the roads early in the morning, keep up with the abc13 forecast on air and online. To keep track of the weather in your neighborhood, download the free abc13 weather app.