Widespread rainfall expected Friday, Saturday in SA area

Rain moving in from coast, Flash Flood Watch in effect until 7 a.m. Sunday

By Mike Osterhage - KSAT Weather Authority Meteorologist, Ben Spicer - Web Producer, Justin Horne - Weather Authority Meteorologist/Reporter

SAN ANTONIO - Deep moisture from a disturbance in the Gulf of Mexico will result in more widespread rainfall, KSAT 12 meteorologist Justin Horne said.

Expect pop up downpours, many of which will contain heavy rain.

A flash flood watch is in effect until 7 p.m. tomorrow and includes much of South Texas. Rainfall amounts may range from 1 to 3", with some higher localized totals through Saturday evening, Horne said. 

The best chances for showers and storms on Saturday will be from San Antonio and points to the Southwest. Rainfall will be more isolated by Sunday and Monday.

Friday's Pollen Count:

Mold 4,690, Heavy

Fall Elm 710, Heavy

Ragweed 30, Light

(Original Story)

KSAT 12 meteorologist Mike Osterhage says a flash flood watch is in effect until 7 p.m. Saturday, and that rain is beginning to move in from the coast.

A few showers are expected this morning, and then the heavy downpours will become more widespread this afternoon. There will be heavy rain overnight and most of the day tomorrow, Osterhage said.

The National Weather Service said the rain chances will increase throughout the day as the disturbance in the Gulf of Mexico moves towards the lower Texas coast. 

Be sure to monitor the latest weather conditions from the KSAT 12 Weather Authority team on air and online.

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