Our latest on the uncertain forecast for Halloween in Houston

Overnight lows have nudged back up this morning, ranging from the upper 50s in Conroe, to the upper 60s in central Houston, and lower 70s just along the coast. Our weather will remain warm-ish through Wednesday, after which point a cold front will make for gorgeous fall weather for the Thursday through Saturday period. Speaking of that cold front, it will spark a round of potentially strong storms later on Wednesday, and this will certainly affect some trick-or-treaters. Much more on that in the post below.

Tuesday

Humidity levels are back to near 100 percent this morning for most of Houston, as our old friend the onshore flow really kicks in. As a result, we’ll see an at-times breezy day, with some gusts possible above 20mph as southerly winds get flowing.

Expect a warmish day for Houston on Tuesday. (National Weather Service)

The increased moisture will manifest in some clouds, but today should still be a partly sunny affair, and rain chances remain near zero (can’t rule out a very few isolated showers). Expect highs in the mid-80s today, and a night in which lows don’t fall much (if any) below 70 for most of the area.

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Storms possible on Halloween as cold front approaches Houston

With slightly warmer temperatures this morning across the region, we’re seeing some fog developing. The National Weather Service has issued a dense fog advisory for the southwestern part of Houston, including the cities of Alvin, Angleton, Bay City, Clute, Freeport, Lake Jackson, Palacios, and Pearland, until 10am. Please drive with care this morning. Otherwise, we’ll see modestly warm and mostly sunny weather for the next few days before a cold front approaches on Wednesday. And yes, we’re still concerned about the potential for storms to disrupt outdoor activities on Halloween.

Monday

Winds are calm now, but will generally flow from the southeast and southerly direction today, bringing more humid air back into the region. This should allow high temperatures today to reach up into the mid- to upper-80s. Rising humidity levels will help keep low temperatures on Monday night in the upper-60s for inland areas, and low 70s along the coast.

By Monday night, warm overnight temperatures return to the area. (National Weather Service)

Tuesday

Another warm day, with highs in the mid- to upper-80s depending upon cloud cover. Yes, after several fine, sunny days we’ll see the return of some clouds along with at-times breezy southerly winds. These winds will lift moisture levels, which will help fuel the potential for storms by Wednesday night.

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Goodbye rainfall, hello gorgeous fall weather

Moisture associated with the remnants of Hurricane Willa produced showers across the Houston area from Wednesday evening through Thursday morning. Most of the region saw less than 1 inch of rain, but southern areas of the metro area were harder hit, with a few parts of Galveston seeing as much as 4 to 5 inches of rainfall. Fortunately, we are all done with that mess now. We’ll now see a heavy dose of sunshine and drier air for the next six or seven days.

24-hour rain totals ending at 1am CT Thursday. The coast near Houston got hit hard. (Pivotal Weather)

Thursday

A few lingering, light showers southeast of Houston will push east by around sunrise. Skies should clear some today, but we’ll still see plenty of clouds, and that should limit high temperatures to about 70 degrees. In the background, northwesterly winds will be ushering drier air into the region, which will set up a really nice weekend.

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After rain showers today and tonight, our weather turns seriously nice

We’re going to have one day, and especially night, of widespread rainfall before the region gets a break from the precipitation. In fact, after early Thursday morning, it would not surprise me to see the region go an entire week without rainfall. So if you’ve been waiting for the region to really dry out, that time now appears to be at hand.

Wednesday

There are a few light showers about this morning, but it looks like the deeper moisture from the remnants of Hurricane Willa won’t push into Houston until later today, or during the overnight hours. Before early afternoon today, we’re likely to see mostly cloudy skies, with scattered light to moderate rain showers, and highs in the upper 60s. Winds will also be breezy, out of the northeast, with gusts up to 20mph.

Rain accumulation forecast for now through Thursday. (National Weather Service)

The real action will likely begin this afternoon to our west, or after sunset for eastern Houston. As we’ve been suggesting for a few days now, we don’t expect anything too extreme. Most of the region will likely see 0.5 to 2.0 inches of rain. Some thunderstorms are possible closer to the coast, but most areas will just see rain. Although soils are pretty wet already, these kinds of rainfall amounts should be manageable, and right now we wouldn’t expect anything more than some isolated, brief street flooding—if that.

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