Houston sees drier air move briefly this week behind the front

Didn’t you feel it? The crispness of the air I noticed Monday morning and likely again Tuesday morning is a preview of fall. Maybe that’s a bit of an exaggeration, but after the record hot summer that Houston has endured, we’re going to get all the rest we can get. Daily high temperatures this week will remain above average but below 100 degrees.

Temperatures today will generally start out in the lower to mid 70s, similar to what we saw in Southeast Texas early Monday. If you walked outside on Monday and felt that way, you’ll likely feel it again Tuesday morning.

Low temperatures Tuesday morning will be in the lower to middle 70s across much of Southeast Texas.

Axial weather

High temperatures could reach a degree or two warmer in the afternoon as inland areas will warm into the middle and upper 90s. Mostly sunny skies will be with us all day, but isolated showers are possible north of Houston and along the coast. Don’t get your hopes up too high, as rain chances will at most be around 20 percent in those areas, meaning most of Southeast Texas will remain dry.

Thanks to the cold front stalling in central Texas, a nearly stationary frontal boundary will provide a greater chance of rain by midweek.

When will it rain?

Rain chances will start to creep in slowly but surely by Wednesday. The previously mentioned nearly constant boundaries will bring widespread scattered showers and thunderstorms by Wednesday afternoon amid highs in the mid-90s. Several disturbances will spread along the stalled border in the sky through the end of the week and the first disturbances will move in by Wednesday. This will bring scattered rain showers by Wednesday morning and will likely become more widespread during the afternoon as warming daytime temperatures allow storms to develop.

Despite rain chances on Wednesday, partly cloudy to sunny skies across much of Southeast Texas will allow high temperatures to easily rise into the mid-90s. It’s an improvement over the triple-digit heat we’ve seen through most of the summer, but it’s still hotter than we typically see in mid-September.

The weather on Thursday will be almost identical, so you could say it’s a “copy and paste” type of forecast. Highs on Thursday will be in the mid 90s with another disturbance in the sky, bringing the risk of widespread rain and storms.

Friday brings more rain

The weak front will slowly retreat into southeast Texas by Thursday night into Friday. This will increase the chances of rain slightly. Widespread heavy rain is likely through Friday afternoon as daytime heating works alongside the nearby frontal boundary.

Heavy rain and even some storm surges will be possible this weekend with highs reaching the lower and middle 90s. Helpful rain is likely in some areas through Friday and possibly into the weekend, although we will likely see less widespread activity by Sunday.

High temperatures Friday through Sunday will be in the lower to middle 90s. Will a stronger autumn cold front appear in the extended forecast? not exactly. Temperatures are likely to remain above average until the end of the month.

High temperatures in the southern third of Texas are likely to remain above average through the end of September.

High temperatures in the southern third of Texas are likely to remain above average through the end of September.

Climate Prediction Center/Weather Pivotal

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