SAN ANTONIO -

The KSAT team of meteorologists say we're in store for one of the biggest rain events we've seen in a long time over the next two days.

A tropical air mass over south central Texas will produce more showers and thunderstorms Thursday afternoon, especially to the west.

The potential for rainfall totals of up to 3 inches of rain are possible across the Edwards Plateau into Val Verde County. Rainfall totals will average one-quarter inch with isolated totals of near 1 inch in other areas.

On Friday, the remnants of Hurricane Manuel will spread across Texas and increase moisture further over the San Antonio area. In addition, an upper level disturbance and a cold front will move across Texas, setting the stage for numerous to widespread showers and thunderstorms. Locally heavy rains are possible across all of the San Antonio area. Average rainfall totals will be up to 1 inch, with up to 4 inches of rain possible in some areas. There is a possibility for some minor flooding.

Showers will stick around on Saturday for much of the day and will begin clearing out on Sunday, the first official day of fall. The forecast for Sunday looks good, with sunshine and cooler temperatures. Lows will be in the high 60s and highs will be in the low 90s.

Be sure to watch KSAT 12 News, Your Weather Authority, for the latest weather forecast and developments and don't forget to email your weather pictures to ishotweather@ksat.com.