Month: February 2018

Houston had three consecutive days of 80-degree temperatures at the end of last week—the first time that has happened since mid-November. These warmer temperatures, generally in the upper 70s to 80 degrees are going to hang around this week, too. The other big story will be rainfall, with a couple of inches likely this week as moisture levels surge upward.


Today should be pretty nice, all things considered, and may be the best day of the week. We should see partly sunny skies, with only a slight chance of rain as high temperatures rise to about 80 degrees. The only concern is building southerly winds, which could make for a fairly gusty afternoon. These winds, and the moisture they bring, will be a harbinger for the rest of the week.

Tuesday and Wednesday

The primary dynamic beginning Tuesday will be increasing rain chances as a series of disturbances move into Texas from Mexico at the same time a slowly moving cold front moves toward the area and stalls. For now it appears the best rain chances will be north and northeast of Houston (certainly some flooding is possible for the areas facing 6 inches or more in the map below).

NOAA rainfall accumulation forecast for now through Sunday. (Pivotal Weather)

Rain chances appear to be highest from Tuesday night through Wednesday night, and I’d expect most of the Houston region to receive 1.5 to 2.5 inches, with higher amounts where heavy storms establish themselves. We’ll have to watch for the potential of street flooding. High temperatures will be in the upper 70s with warm nights.

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Houston should turn cooler today

Posted by Matt Lanza at 6:33 AM

Many of our complaints about lack of sunshine were lodged and received. We’ve had a couple nice, albeit steamy afternoons this week, officially hitting 80 and 81 degrees on back to back days for the first time since November 17-18 of last autumn. For some that may be too much, too fast, but alas, here we are.

Today through Tonight

We’ll attempt to make another run toward 80 today, but added cloud cover and a few shower chances should limit how warm we can get. But, after a mild start this morning, we should still easily make the upper 70s this afternoon. There’s not much happening in the atmosphere to favor any significant showers today, but some lighter showers will be possible later as our next cold front approaches.

The front should make it to the northwest suburbs of Houston around 3-6 PM or so. Behind it, temperatures will ease back into the 60s and humidity should lower some. As the front moves through Houston, it will begin to grind to a halt. As of now, it looks like forward progress stops somewhere around Clear Lake to Dickinson. You can see this clearly while looking at an animation of dewpoints today.

NAM model dewpoints show how the front slams on the brakes southeast of Houston tonight. (Weather Bell)

So most of us will cool down into the mid or upper 50s tonight, but it will stay mild and humid southeast of the front, including Galveston east to Beaumont, where you probably won’t drop below 60-65 degrees. We’ll have low clouds and light showers behind the front and low clouds, drizzle, and fog probably ahead of it tonight. Fog may continue to linger in Galveston through the night.

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The sunshine broke out on Wednesday afternoon, and this allowed Houston to record its first high temperature of 80 degrees for the year 2018. I joked on Twitter that this probably won’t be the last time it happens, but in reality I think Wednesday’s high was symbolic. We are in the midst of transitioning from winter to spring.

A lot of people have asked whether we are done with freezes. (My wife, a gardener, especially wants to know). We think so. Typically, the last freeze for central and southern parts of Houston (think Harris County and areas closer to the coast) occurs in mid-February, and for northern areas (think Montgomery, Waller, Liberty) it is late February or early March. This year it seems highly unlikely that the region will see a freeze for the next two weeks, which gets us to March. There are always outliers—for example, Hobby Airport recorded a freeze on April 13, 1940—but the odds at this point favor no more freezes for the winter of 2017-2018.

The 16-day GFS ensemble forecast shows low probabilities of overnight temperatures in the 40s, let alone the 30s, for the rest of February. (Weather Bell)

Now, onto the forecast.


The dense fog is back for some areas, with an advisory in effect for the entire region until Noon Thursday. Please take a little extra time on roads this morning. After the fog breaks, we’ll be left with mostly cloudy skies, although I think we’ll have some more moments of sunshine this afternoon. The amount of sunshine will determine the high temperature, but I think its likely we’ll get back to 80 degrees today. Lows tonight will only fall into the mid-60s.

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Why has Houston’s weather turned into Seattle?

Posted by Eric Berger at 6:55 AM

Very warm, moist air in combination with a relatively colder air mass is a good recipe for fog, and that’s just what we’re going to have the next couple of days until a cool front moves through Friday. A dense fog advisory is in effect until 10am this morning, and even by then some areas may be slow to clear. Also, after the forecast, I discuss why our weather has been Seattle-like of late.


Temperatures are considerably warmer this morning, with overnight lows settling into the upper 50s and not falling any further. After the fog dissipates later this morning, or by noon, it will reveal—you guessed it—more cloudy skies above. Some light scattered showers will also be possible as high temperatures generally climb into the low 70s.

Expect a warm, gray day today. (Pivotal Weather)



Expect another warm night, and this time low temperatures probably will only fall into the 60s. We’ll see more fog developing during the overnight hours, especially along the coast, where it probably will continue to play havoc with maritime activities. A chance of light rain will remain before noon, but I still have some hope that the region will see clearing skies later in the day. I’m hoping for some sunshine and highs in the mid-70s. Enjoy it, because this will probably be the only sunshine for awhile.

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