Month: December 2018

A thin, broken line of showers pushed through Houston this morning ahead of a cold front that is now moving through the region. Skies are already clearing on the west side of the region, and should clear out for all of Houston later this morning. We’ll now have a few sunny days before clouds return later Saturday or Saturday evening.

Thursday

The name of the game today will be winds. Because air pressure will change over a relatively short distance, we’ll see vigorous northwest winds today, and the National Weather Service has issued a wind advisory through 6pm. Conditions won’t be too extreme, but gusts of 30 to 35mph will definitely make for a blustery day as high temperatures struggle to get to 60 degrees. Lows tonight will be clear and cold for the city, although should remain comfortably above freezing.

Friday

Winds should dial back overnight, making for a pleasant day Friday. Look for sunny skies, with highs around 60 degrees. Temperatures Friday night should be a degree or two warmer than Thursday night, but conditions will still be clear and cool.

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As of 6:15am, a few showers are lingering near The Woodlands and College Station, but for the most part this system should be moving to the northeast, away from the Houston area. Some scattered showers are possible today, but for the most part this should be it for the rain through the weekend.

Wednesday

Today will be sort of a waiting game, as the showers clear the area, but a related cold front lags about 24 hours behind. Highs should get into the mid- to upper-60s this afternoon, and skies could become partly to even mostly sunny later. Lows for much of the night probably will stay in the mid-50s until the front arrives before sunrise on Thursday.

Thursday

The front will blow in with purpose—its passage will likely be dry—and we’ll pretty quickly notice the cooler air and blustery conditions. Despite sunny skies, highs on Thursday may not reach 60 degrees, and it will be quite chilly with winds gusting above 20 to 25mph. Pack a windbreaker on your way out the door. Thursday night will probably be the coldest of the week, with lows in the mid-40s in the city, colder up north, and warmer along the coast.

Friday

Another sunny day, with highs likely around 60 degrees. The absence of a bracing northerly wind will make it feel nicer, however. Overnight lows may be a degree or two warmer than Thursday night, so still chilly.

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As air temperatures have fallen down near to dewpoint temperatures this morning, we’ve seen the development of radiation fog across much of the Houston area. This should eventually burn off by mid-morning or so, as air temperatures begin to rise.

Tuesday, Tuesday night, and Wednesday

After the fog burns off, skies should become partly to mostly cloudy today, with highs in the mid-60s. Rains should hold off until at least sunset, and as high pressure moves off to the east we should see the development of some scattered, light showers to the west or southwest of Houston this evening.

Lows tonight will only fall into the mid-50s, and we’re likely to see intermittent, scattered showers and thunderstorms during the overnight hours and through 10 or 11am on Wednesday. As for accumulations, for now the models aren’t showing anything too extreme. Accumulations of a few tenths of an inch seem most likely near the coast and in Houston, with one-half inch or perhaps a bit more for inland areas. Skies will remain mostly cloudy on Wednesday afternoon as a cold front nears the area, with highs probably pushing into the mid- to upper-60s.

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Temperatures during the first half of December were slightly cooler than normal, but looking ahead to most of the rest of the month it appears as though our weather will take a turn to become slightly warmer than normal. I don’t think we’ll see any weather above the low- to mid-70s, but both days and nights should for the most part be fairly moderate for the beginning of winter.

Monday

Temperatures this morning are in the low 50s for the most part—colder well inland, of course—and we’ll see a healthy warm-up today as winds have shifted to come out of the south or southwest. I’d expect highs today to push up into the mid-60s or near 70 degrees under partly to mostly sunny skies. Lows tonight will be similar to Sunday night, and as temperatures fall down toward the dewpoint temperature we could see some fog develop late Monday night and Tuesday morning.

Tuesday and Wednesday

Highs on Tuesday will reach back into the upper 60s under partly to mostly cloudy skies, and moderately rising moisture levels will set the stage for rain showers Tuesday night. No models are really indicating the potential for heavy rain right now (and anticipated atmospheric moisture levels don’t really support that), so I think we’re probably looking at a few tenths of an inch of rain. Rain chances should slacken by Wednesday morning, and depending upon how much skies clear we could see highs of around 70 degrees with a sunny afternoon.

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