Roller-coaster temperature forecast ahead

After brief warm-up later this week, we should cool down again for weekend

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HOUSTON - October greeted us with a big breath of cool air as temperatures bottomed out in the 50s Monday morning behind a storm system that dropped soaking rains on parts of southeast Texas last weekend.

Temperatures should stay on the cool side -- at least in the morning -- through Wednesday.  Afternoon highs will easily make it into the 80s, right where we should be this time of year, with the combination of sunshine and very low humidity.  So, dress in layers through mid-week to make sure you're fully-prepared for the weather all day long. 

After Wednesday we'll begin to notice a gradual increase in humidity and temperature, so by Thursday we'll be able to get rid of that morning jacket or sweater.  Heading into the weekend highs will hit the upper 80s and overnight lows should only drop into the 65 to 70 degree range. 

On Saturday our next cold front sweeps through the area, ushering in our next wave of fall weather for the second half of next weekend.  The front won't bring a big chance for rain because the atmosphere will probably be moisture-starved when the front comes through.  Sprinkles or a couple of light showers will be the most we can expect. 

The weather pattern that's setting up is a classic fall one.  Very simply, fall is the time of year when summer weather patterns battle with winter weather patterns for dominance.  Cold air tries to push in from the north, while the warm air of summer fights to hold its ground.  It results in big temperature swings from day-to-day and week-to-week, and very often storm systems that swing through with the help of cold fronts.  Eventually, the cold northern air will win the battle and exert its dominance through the winter season before the same war is waged again in the springtime. 

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