Houston likely to see its first 90-degree days of the year soon

We are looking at sort of a weird forecast for Houston in the days ahead. Read on for all the details, but basically we’re first going to get hot, and then we’re going to cool down and probably see some pretty decent rainfall. Have a great weekend, everyone!

Friday

Today’s forecast is pretty straightforward. With a warm and gusty southerly flow in place we’re going to see temperatures bump up into the mid-80s, with some areas likely reaching the upper 80s depending on how many breaks in the clouds there are. There will be a slight chance of light rain during the daytime. Conditions this evening will be warm.

NOAA storm outlook for Friday and Friday night. (NOAA)

A cold front will approach Houston this evening, and this may bring some strong thunderstorms well to the north of the metro area, including locations such as College Station or Conroe. (So if you’re driving to place like Dallas this afternoon or evening, please take care). But further south, we should be protected by a capping inversion that prevents the development of such storms. Could the cap break somewhat for areas north of Interstate 10 late this evening? It is possible, but the chances are probably on the order of 10 percent.

Saturday

By Saturday morning drier air associated with the front will be moving into Houston. And this is going to be something because, for about 12 hours, dewpoints are going to absolutely plummet. This will feel nice, in the form of low humidity. But it’s also going to allow temperatures to spike. If we get partly sunny skies on Saturday afternoon, we will probably see high temperatures in the upper 80s to 90 degrees as dry air warms more efficiently than humid air. This dry air will be pulling back by Saturday night, as the front lifts inland, but I still think we’ll see low temperatures in the 60s for all but the immediate coast.

Paradoxically, dry air from a cold front will allow high temperatures on Saturday to spike upward. (Weather Bell)

Sunday

This day should be partly to mostly cloudy, with returning humidity and highs in the low 80s. There is a slight chance of showers during the afternoon hours, but I don’t think we’ll see much (if any) precipitation.

Monday and Tuesday of next week

Welcome back, summer! With a warm southerly flow in place and partly sunny skies, both of these days have a solid chance to hit 90 degrees, or even a bit higher, across the entire region. It’s going to feel hot after five months of cooler weather. Rain chances are near zero.

The rest of next week

Some sort of front is going to drag into the area next week and then probably get hung up near the coast or offshore. This will do two things. First of all it should knock highs back into the upper 70s or so, and take a bit of the sting out of the humidity. Secondly, it will act in concert with some atmospheric disturbances to produce a healthy chance of rain from from Wednesday through Saturday. The details are to be worked out, but we’re probably looking at something like 50 percent rain chances each day. The Easter forecast is still very fuzzy, but I’d ballpark a high of around 80 degrees, with low-to-moderate rain chances. We’ll have all the details about that on Monday morning for you.

Warmth comes first, and then some widespread showers ahead of Easter Sunday in Houston?

Good morning. After an almost chilly day on Wednesday, when temperatures remained in the low- to mid-60s, Houston will warm up again for awhile. Some things we’re watching for are rather warm temperatures this weekend and into next week, and the potential for widespread and potentially heavy rainfall late next week. Whether this spills into Easter Sunday is something we’ll have to wait and see.

Thursday

Scattered, light showers will be possible later today as moisture streams onshore from the Gulf of Mexico. Overall chances are probably 20 or 30 percent. Skies, otherwise, will be mostly cloudy with temperatures in the upper 70s to 80 degrees. Winds will be fairly strong, at 10 to 15 mph from the east, with higher gusts. Lows tonight won’t drop far, perhaps only into the lower 70s, with the warmer flow. Some additional light showers are possible overnight.

NOAA storm outlook for Friday and Friday night shows the best chances of severe weather far to the north of Houston. (NOAA)

Friday

Skies will again be partly to mostly cloudy on Friday, and as a warmer southerly flow persists we should see temperatures increase into the mid-80s. This will be another windy day, with gusts perhaps as high as 30 mph. Rain chances will be fairly low, only about 10 percent. A cold front will approach the area later on Friday, and this may drive the development of some thunderstorms well to the north of our area. I don’t expect much, if any, activity in Houston. It will be another warm night for the region.

Saturday

Drier air from the front will start pushing into the region after midnight, and the front itself should reach the coast by mid-morning on Saturday. This will be one of those touch-and-go fronts in the sense that it will drop down to the coast, stall, and then probably start lifting back on Saturday afternoon or evening. So how much dry air you see Saturday will depend on how far inland you live. In any case, I expect partly to mostly sunny skies, with highs in the mid- to upper-80s with the dry air warming quickly. Lows on Saturday night may drop into the mid-60s.

This meteogram for Hobby Airport shows how much of a blip the drop in humidity will be during the daytime on Saturday.

Sunday

Humidity returns, and clouds along with it. This should limit highs to the lower 80s, with a decent chance of some light rain during the afternoon or evening hours. Accumulations will be light.

Next week

The first half of next week looks warm, with high temperatures in the upper 80s. It will not surprise me if some inland areas record their first 90-degree days of the year. Fun, I know, for early April. After that we turn into a period of more uncertainty, but it looks like a front will move into the area and serve as a focal point for a few days of April showers. As a result we could see a few days in the 70s, with some decent rainfall accumulations of 2 to 4 inches. For now that is fairly speculative, however.

Easter weekend

What about the holiday weekend? I think it’s more likely than not that we’ll see some sort of shower activity lingering into Saturday, and possibly Sunday. The only thing that seems particularly clear at this point is that, whereas the first half of next week is going to be rather warm, the weekend should be cooler. So we’re not looking at a 90-degree Easter Sunday. The question is really how much cooler it will be, and whether rainfall will be a factor.

La Niña is finally over. That may mean a slightly quieter Atlantic hurricane season

This week NOAA said a three-year La Niña event in the Pacific Ocean is finally over. While neutral conditions are likely to exist for the next few months, forecasters now expect a fairly strong El Niño to develop later this spring or early summer. Typically, for Texas, this means a warmer than normal summer, and a cooler and wetter than normal winter.

Modeling indicates a likely transition to El Niño by April or May of this year. (NOAA)

Perhaps most critically for the Houston region, El Niño tends to sap some of the strength of the Atlantic hurricane season by increasing wind shear levels. The effect is moderate, but notable. During El Niño years there are an average of about five hurricanes in the Atlantic Ocean, Caribbean Sea, and Gulf of Mexico. During La Niña years there are closer to an average of seven hurricanes. So the dice are more loaded toward impacts in La Niña years.

Wednesday

Some light showers have developed north of Houston this morning, extending as far southward as The Woodlands, in response to a passing disturbance in the upper atmosphere. This will continue to produce a chance of (very) light rain throughout most of today. Otherwise, we are going to see partly sunny skies with highs of around 70 degrees. Winds will be light, out of the northeast, before shifting to become more eastward tonight. Lows will drop into the low 60s.

Thursday

Skies will be mostly cloudy on Thursday, and winds will turn southeasterly. This flow off the Gulf of Mexico will pick up significantly, with gusts up to 25 or 30 mph. Highs will reach the mid-70s and humidity will return as well with perhaps a 20 percent chance of light rain. Lows on Thursday night will only drop into the low 70s.

Forecast for maximum wind gusts on Friday in Houston. (Weather Bell)

Friday

This will be a warm and humid day, with mostly cloudy skies and highs in the mid-80s. Winds will be significant, gusting to 35 or even 40 mph out of the south. It will be another warm night.

Saturday and Sunday

So here’s the deal. A weak-ish cold front is going to approach our area early on Saturday morning. This system is going to bring storms well to the north of the Houston metro area, but if we see any precipitation in the Houston metro area it likely will be light. The bigger question is how the front will affect temperatures and dewpoints. My sense is that the front will essentially push down all the way to the coastline by Saturday mid-morning and then start pulling back northward by Saturday evening. So how much dry air you see will depend on how far inland you live. In any case, the front should pull northward of even areas like Conroe by Sunday.

In terms of temperatures, I’ll ballpark low-80s for Saturday, with partly sunny skies, and increasing clouds for Sunday with a high of around 80 degrees. As moisture levels return we will probably see a decent chance of showers later on Sunday, perhaps 30 or 40 percent during the afternoon hours.

Next week

Most of next week looks warm, and humid, with highs in the mid- to upper-80s and partly to mostly cloudy skies. Perhaps some kind of front will arrive by Wednesday and Thursday to offer us a temporary reprieve and bump up rain chances. But my overall confidence in that happening is far from high. In tomorrow’s forecast I’ll offer an early guess about the forecast for Easter Sunday in Houston.

A brief cooldown before Houston stays warm for awhile

Good morning. A cold front has moved through the Houston region overnight, and if you live along and south of Interstate 10 you probably felt it as lots of lightning came along for the ride. Areas further inland saw less fireworks and little to no rainfall. We’ll now see a couple of days with some drier air before a warmer and more humid pattern returns.

Tuesday

A few lingering showers will clear out this morning, and we should see partly sunny skies by this afternoon. Winds will be fairly brisk, out of the north at 15 to 20 mph with higher gusts. Highs today will reach the mid-70s. Temperatures tonight should be the coolest of the week, dropping into the 50s for most areas except along the coast.

Low temperature forecast for Wednesday morning. It’s not that cold, but it will be the coldest for awhile. (Weather Bell)

Wednesday

This day will start out with some clouds, but skies should turn mostly sunny during the afternoon with highs in the low 70s. Winds will veer back to come from the Gulf of Mexico, that this should nudge overnight temperatures up slightly, into the low 60s for Houston. A few, scattered showers are possible later on Wednesday as this onshore flow returns.

Thursday

This will be a breezy, humid day with mostly cloudy skies as high temperatures push up to near 80 degrees. Winds could gust as high as 25 or 30 mph out of the south. There will again be a slight chance of afternoon and evening showers. Lows Thursday night will only drop low 70s.

Friday

Expect another breezy and humid day, this time with highs in the low 80s.

Saturday and Sunday

The details for this weekend’s forecast remain a bit iffy, but generally you can expect a (very) weak front to move into the area on Saturday morning, perhaps with a few scattered showers. The front won’t provide too much oomph, so we’re probably looking at partly to mostly cloudy skies both weekend days, with highs in the 80s, and lows in the upper 60s.

Hello heat! (Weather Bell)

Next week

Frankly, most of next week looks warm, with highs in the mid- to upper-80s. Some areas may well touch, dare I say it, 90 degrees? It looks like some sort of front will work its way into the area by Thursday of Friday next week, which should finally cool us down and bring another splash of rainfall. That’s far enough in the future to be fairly fuzzy, however.