Updated San Antonio forecast: Timing out Friday's heavy rain

Flash Flood Watch goes into effect Friday

By Justin Horne - Weather Authority Meteorologist/Reporter

SAN ANTONIO - Showers have begun across South Texas and we’ll see a few passing showers throughout the rest of Thursday.

By this evening and tonight, rain chances will increase as a cold front approaches the area. 

A Flash Flood Watch is in effect starting Friday afternoon and continuing through Saturday morning. 

TODAY:

Passing light showers, cloudy skies, and temperatures in the 50s and 60s.

TONIGHT:

Rain chances increase as a front approaches. Showers and a few rumbles of thunder are possible. 

Temperatures should stay steady overnight in the upper 50s and low 60s. 

FRIDAY:

A wet morning commute is likely as showers and a few thunderstorms develop across the area.

Rain chances remain high through the day; however, there could be a few breaks in the action, especially during the afternoon. A strong storm or two may pop up along the coast tomorrow afternoon.

A Flash Flood Watch goes into effect Friday afternoon. 

FRIDAY NIGHT:

This is when the heaviest of rain is forecast to arrive.  A line of heavy rain will set up and push east overnight into the pre-dawn hours of Saturday.  Some flooding is possible. 

SATURDAY:

Rain ends early Saturday morning, but clouds may hang around for a while.  It’ll also be breezy and cooler.  High temperatures will only reach the mid-50s. 

SUNDAY:

Skies clear, however, temperatures will still only top out in the 50s. 

More from KSAT Weather:

Continued Weather Coverage

Stick with KSAT 12 News, your Weather Authority for the latest weather updates.

Keep up with the latest alerts from the KSAT Meteorologists with their Twitter stream below:

Tweets by ksatweather

Copyright 2018 by KSAT - All rights reserved.