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An army of storm systems marched from Mexico into South Texas on Wednesday before colliding with warm moisture sweeping in from the Gulf of Mexico. The resulting atmospheric volatility sent torrents of much needed rain into South and Central Texas.
The National Weather Service (NWS) forecasters expected to see up to three inches of rain in the San Antonio region by Friday. Communities south of San Antonio could see heavier rains and potential flooding.
Flood watches and warnings were posted to the south and east of San Antonio.
Here's our forecast of additional rainfall totals now through Friday. Moisture has been tied up in storms farther south, limiting our rainfall amounts. Higher totals are still likely to be over the Coastal Plains, where a Flood Watch remains in effect. #txwx pic.twitter.com/O9PIERVkGo
— NWS Austin/San Antonio (@NWSSanAntonio) March 27, 2025
The NWS predicted a high of 68 on Thursday. There may be patchy fog in the late afternoon.
Afternoon commuters on Thursday should expect more rain in time for rush hour and later into the evening. More rain was expected overnight.
Friday would likely see more rain but a high of 76. Sunshine should return by the weekend, with highs in the 80s. Next week will see more warmth, with the 90s returning by Wednesday.
The storms, which began with quickly darkening skies on Wednesday afternoon and a messy rush hour commute, marked the first big rain event of the year for a South Texas so dry that dust was blowing across the city only a few days ago.
All of drought-stricken South Texas and the Hill Country welcomed the rain. The shrinking Guadalupe River has cities that rely on it for water, like Kerrville for example, reminding residents to conserve water where they can and follow all water restrictions.
All of Bexar County is under a rating of "extreme" — the worst drought rating that is issued by the U.S. Drought Monitor.
