Tropics Update: Disturbance in Gulf of Mexico still disorganized

SAN ANTONIO – The disturbance in the Gulf of Mexico is still disorganized and it is running out of real estate to develop further.

However, development or not, it is heavy rain that remains the issue for South Texas. There will be large amounts of moisture surging into the area, resulting in potential flooding over the next few days. Here’s what to expect:

TIMING: The deeper moisture is set to arrive by Friday afternoon.  That surge of moisture will result in a good chance of showers and storms Friday evening, Friday night, and into the day on Saturday.  By Saturday afternoon, the threat for heavy rain will shift west of I-35.  

IMPACT: Rainfall totals of 2-4” are possible, with localized pockets of up to 6”.  Due to already saturated grounds, a Flash Flood Watch may be issued by the National Weather Service by tomorrow. 

PSA: SAFD reminds public to avoid roads prone to flooding during heavy weather

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FORECAST:

Scattered downpours are in the forecast again today, with perhaps a bit more coverage expected by the afternoon (50% chance). Look for highs in the mid 80s and humid conditions.

Regardless of development, heavy rain is the main concern. Heavier downpours will begin to shift into the area by Friday afternoon and continue into Saturday.

Rain totals will vary, depending on where heavier bands of rain set up. 2 to 4 inches of rain will be possible, with pockets of higher totals.

This will fall on saturated grounds, which could cause some flooding. By Sunday and especially next week, the weather will quiet some.

Stay tuned to KSAT and the KSAT Weather App for all the latest.

Thursday's Pollen Count:

Molds 6,560, Heavy

Fall Elm 340, Moderate

Ragweed 20, Light