Matt Lanza

We weren’t lying about this week having some stunning weather. Yesterday was about as close to perfect as you can script here in Houston. It’s certainly worth touting to our neighbors in the North, where winter has just not found a way to relent. Here, however, it’s been great. Through the first 19 days of April, we’re averaging 77.2° for a high and about 56.2° for a low. Compare that to the same period last April, when we averaged 81.4 for a high and 61.2° for a low. This month has been cooler and much more comfortable than April 2017. Can we keep the good times rolling? I think so, but it will get at least a little warmer as we go. First, let’s get through Saturday.

Today

We’re starting today with a good deal of clouds on the west side of the area, and more of a mixed sky on the east side. We’ll call today partly sunny, but it may be a case of more clouds than anything. With the clouds, temperatures are held down, and while we’ll call it lower 70s today, I wouldn’t be shocked to see a few places not get out of the middle to upper 60s if clouds hang in all day.

Tonight through Sunday

Clouds continue tonight. A warm front will approach our region from the south. As it does so, we’ll probably see at least a few showers break out or a bit of light rain and drizzle. The best chance for that to happen will be south and west of Houston. Low temperatures won’t go too far tonight and should bottom out in the lower 60s.

On Saturday, expect showers or light rain at times. It’s probably not a total washout, but Saturday’s not going to be a great day. Then, as a disturbance ahead of our next cold front approaches, we’ll see a chance of thunderstorms begin to increase later in the afternoon and evening.

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Good Friday morning, and here we go again with another cold front and storm chances. Fortunately, while we can’t entirely rule out some severe weather, it seems fairly unlikely for most of us. We’ll see lingering clouds Saturday, but we’re set up for some beautiful weather Sunday.

Today

We’re socked in with clouds this morning, indicative of a lot of moisture in place at low levels of the atmosphere. This is all basically “trapped” under a capping inversion (“the cap”) that we often talk about this time of year. What this will likely do is inhibit thunderstorm development over much of the region during the day today, but it will keep things somewhat dreary with clouds and occasional showers or light rain in spots. While we can’t entirely rule out a stray storm north of the Houston area, any significant severe weather threat this afternoon will likely stay way to our north, closer to Texarkana.

It will remain fairly breezy, with gusty onshore winds sustained around 10-20 mph, with higher gusts, especially near the coast.

Tonight & Saturday

As we go into this evening, the cold front will begin to approach the area from the north and west. Right now, I would expect a fairly well organized band of showers and storms with it as it moves through the region around or after midnight. So expect to hear raindrops at some point tonight into Saturday early morning. Will we see severe weather? It’s possible, but I don’t think all the ingredients are quite there for it to occur. If we were to see storms go severe overnight, I think the primary threat would be strong winds. Still, even without severe weather lightning, thunder, gusty winds, and briefly heavy rain are all possible. Total rainfall will be under an inch for most of the region, with some areas likely seeing well under a half-inch.

The front pushes offshore Saturday morning. Expect continued clouds and perhaps even a few lingering showers through about midday Saturday. We should then see slow clearing. Winds will stay gusty but flip from onshore to offshore. Expect those to gradually diminish Saturday afternoon.

The tricky aspect to Saturday’s forecast will be temperatures. They will drop off behind the front, with Saturday morning lows bottoming out in the low 60s at the coast and mid to upper 50s inland (even a bit cooler in the Brazos Valley or up toward Huntsville). But it gets challenging on Saturday afternoon. If cloud cover and showers persist beyond midday and into mid-afternoon, we’ll likely see temperatures hold in the upper 50s to low 60s most of the day. However, if we see clearing and get a good bit of sunshine Saturday afternoon, look for temps to rebound to the upper 60s.

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A lot to get to today, but the big headline this morning is that Saturday’s forecast has changed. You’ll want the jacket handy.

Today

As of now, we think that, while we will have scattered showers around today, the majority of the daytime should be under control in Houston and points south and west, as capping (which helps inhibit thunderstorm development) will likely be in place much of the day. So at this point, we aren’t expecting anything too serious during the daytime. However, as you go north and east of Houston, a few more organized, stronger storms may get going this afternoon.

For that reason, the Storm Prediction Center has placed counties north and northeast of Houston in “Slight” (or level 2) risk for severe weather. The most volatile ingredients for severe weather today will again be in far northeast Texas or northern Louisiana. But we can’t rule out a few strong to severe storms northeast of a line from about The Woodlands through Port Arthur. We’ll keep tabs on this today in case anything changes.

Tonight

The cold front, well to our north today, will advance south into our area overnight tonight, probably well after midnight. One difference with this front versus the last couple we’ve had come through overnight: Whereas the last couple fronts timed in the 10 PM to 2 AM window, this one will likely be later, say, 2 to 6 AM-ish. So, you may be woken up later in slumber by a rumble of thunder.

Between today’s showers and storms and tonight’s front, rain amounts may be a bit variable across the region.

On average, I think rain amounts will be a few tenths to half an inch in most places. Some of us may get a little more (perhaps 1-2″ or so with some thunderstorms today). Some places south and west of Houston may only see a small amount of rain. We don’t have any serious flooding concerns from this system.

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