SAN ANTONIO – After a very hot and very dry August, daily rain chances this week may sound like music to your ears. However, there are a few things you need to know about the week's forecast.
How much rain can we expect?
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San Antonio will be stuck between two rain-making systems to start the week. One will be to the east, near Houston. The second will be to the west, near the Texas-Mexico border. This will place better rain chances and higher rainfall totals to both the east and west of San Antonio. However, there is still a chance that, each day, some showers and storms could make it to San Antonio and the I-35 corridor. Rain gauges will likely be filled up a bit more to the east and west, though.
Any severe weather to worry about?
The overall severe weather threat this week will be very low across South Texas. However, it's not out of the question that a few storms could be on the stronger side, especially in the afternoon and evening hours. The concerns will be for heavy rain that could cause some flooding issues. Some storms may produce brief, gusty winds and frequent lightning, as well.
What's going on in the tropics?
The tropics are starting to become more active, which is not uncommon this time of year. In fact, hurricane season runs until the end of November. As of Sunday evening, there were three areas of interest in the Atlantic basin: Tropical Storm Florence, Disturbance 2, and potential tropical cyclone seven (aka Soon-To-Be Gordon).
Of immediate concern to the U.S. coastline is potential tropical cyclone seven. That's basically a fancy way of saying that the National Hurricane Center expects this system to become stronger very soon. In fact, this system will likely become the next tropical storm sometime on Monday. It will take the name Gordon. The current forecast track for this system takes it to the Louisiana, Mississippi, and Alabama coasts by late Tuesday and early Wednesday.
As of Sunday night, this system is not expected to impact our South Texas forecast. However, your Weather Authority team will continue to monitor its movements and will keep you informed.
Forecast Details
SUNDAY NIGHT: Showers and storms west of I-35 Sunday evening will gradually fizzle out as they approach the I-35 corridor by late Sunday night. However, a 20% chance for rain will be possible through the overnight hours, mainly south and west of San Antonio. Skies will be partly cloudy overnight, with low temperatures in the mid to upper-70s.
LABOR DAY: A 40% chance for scattered showers and storms will be in place Monday. Coverage of these thundershowers will be highest in the afternoon and evening hours. If your holiday plans take you outdoors, make sure you have a way to check the radar. High temperatures Monday will be in the mid-90s.
MONDAY NIGHT: There will be a 30% chance for rain late Monday night through early Tuesday morning. Chances will again favor those west of I-35. Low temperatures will be in the mid to upper-70s.
TUESDAY: Scattered downpours - along with some rumbles of thunder - will be around again on Tuesday. Coverage-wise, rain chances will be at 50%. Afternoon high temperatures will be in the low to mid-90s.
Rain chances will become a bit more isolated by the middle of the week, but daily downpours will still be possible.