Flood Watch expanded, now includes Harris Co. and more through Memorial Day

Añadido: 2026-05-24

[00:00:00]Just about all of Southeast Texas under a flood watch through the holiday weekend ahead, but the whole weekend will not be a washout. I'm ABC 13 chief meteorologist Travis Herzog. Here's your need to know weather, and this is the extended and expanded flood watch, extended until 7:00 p.m. on Monday, expanded to include almost all of Southeast Texas into Southwest Louisiana, back up west into the Hill Country, and then down towards the valley. If you're going to be traveling in any of these green shaded zones, be aware that you could come across some street flooding. We're expecting of the heaviest rains and highest accumulations to once again be near our part of the world, Southeast Texas into Southwest Louisiana. We think west of the Brazos River, 1 to 2 inches will be common.

[00:00:40]Along I-45, 2 to 4 inches common. And closer to the Texas-Louisiana border, 4 to 6 inches will be common. But I have to say that with the storms coming in here just on Saturday night, it's possible someone picks up 6 inches alone just from that one storm complex. So, we have moderate confidence still in how things are going to shake out this weekend. On Saturday, it's a mostly rain-free morning. That's the expectation right now, with the greatest risk of heavy rain and flooding coming in the evening time frame. Then on Sunday, well, the rain odds depend upon what happens Saturday night. If we get a whole bunch of rain, then the rain chances will come down, and it could be a mostly dry Sunday. But if we don't get all the rain we're expecting Saturday night, then Sunday looks like it'll be fairly stormy. For Memorial Day, we expect the storm system causing all this rain will be pushing away from us, so there's a chance for some scattered afternoon storms. Otherwise, though, it looks to have the lowest risk of flooding of the three days this holiday weekend. So, with the upper low coming into West Texas late Saturday, that's going to put the greatest lift and moist air right over our part of Texas, and that's when we have this level two out of four flood risk, which means scattered flash floods are expected in that yellow zone. Then on Sunday, the upper low is getting closer to us, pushing the greatest lift more eastward into Louisiana. And there are some computer models that say that upper low will already be across the border in Louisiana. And if that is the case, then Sunday will be mostly dry. We think on Monday that upper low is just to our north or a little bit to the east, and again that takes the greatest lift and moisture away from our part of the state. And so, we expect the flood risk will be going down. Now, we will be watching the sky carefully in the morning because it's possible one of those storm complexes that develops out west makes its way and survives the overnight trek into Southeast Texas. So, we're not ruling out rain for the morning, but it should have the lowest rain chances of the day. Then in the afternoon, storms start building, especially late into the evening hours, and then we see these scattered heavy downpours popping up and slowly moving through. So, these are the ones that can drop a quick 1, 2, even 3 in of rain.

[00:02:36]And Futuretrack is one of those computer models that says we get so much rain Saturday night that Sunday ends up being mostly storm-free. So, I'm not canceling any of my outdoor plans, beach plans, lake plans, pool plans. I just know that if a storm comes, when thunder roars, go indoors, find a place to seek cover. But if we are going to have any plans washed out, that's most likely going to be late on Saturday with the higher rain chances and the more widespread risk of some street flooding. So, 80% chance you're going to get rain on Saturday. It's not a rain all day kind of day. It's mainly late in the day. And then Sunday's rain chance has room to drop if we do get a lot of stormy weather on Saturday night.

[00:03:13]By Monday, we're getting back into the mid-80s. Memorial Day brings a 40% chance of scattered downpours, and where they pop up, there could be some localized street flooding. We catch a bigger break on Tuesday, and then we have another ABC-13 weather watch in for Wednesday with a 70% chance of storms.

[00:03:28]As that storm system rolls through, there could be street flooding and the potential for severe weather. The last weekend of the month of May, it gets drier and hotter with highs near 90. And 10 days from y'all 10 days from now, y'all, it is the start of hurricane season. So, just be aware, June is right around the corner. And make sure you're staying weather aware through this holiday weekend. It remains a tricky forecast to time out the stormy weather.

[00:03:51]Hopefully, we can get our plans in and get some needed rainfall as well. I hope you enjoy the holiday weekend instead ahead rather. Stay safe and we'll keep watching the weather for you.