Temperatures will drop off into the upper 50s by sunrise. The air will still have that crisp feel to it, and that dry air will heat up quickly into the upper 80s under a sunny sky. A weak front arriving Thursday night will reinforce the the dry air, dropping temperatures a few degrees and giving us more nice weather into the weekend.
One hiccup to the weather will be the higher levels of ozone pollution. An ozone pollution watch is in effect Thursday for Harris, Galveston and Brazoria counties. Ozone is a lung irritant and can cause asthma to flare in sensitive individuals. We are also in the thick of ragweed season, and ragweed is at extremely high levels.
There's only two negative things to say about what's happening outdoors. Our pollen levels are extremely high, and our air quality is unhealthy due to ground level ozone. pic.twitter.com/vpwpFiA4rT— David Tillman (@TillmanWeather) September 30, 2020
Another front is expected to move in Sunday. Moisture will be limited, so there is only a 20% chance you'll cross paths with an isolated shower. This front will bring more pleasant weather Monday through Wednesday. Tropical moisture gathering over the northwest Caribbean Sea could reach us toward the end of next week, bringing back muggy air more typical for Houston.
Montgomery/Walker/San Jacinto/Polk/Grimes Counties
Fort Bend/Wharton/Colorado Counties
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