HOUSTON, Texas (KTRK) -- The City of Houston has declared today an "Asthma Air Aware Day" due to air quality conditions that tend to trigger asthma attacks, and we are under an Ozone Pollution Watch.
Temperatures are heating up into the low-to-mid 90s this afternoon, and the combination of hot temperatures, sunshine, and light winds will allow ozone pollution to reach unhealthy levels in some Houston area neighborhoods. Ozone is a lung irritant that can trigger asthma attacks in sensitive individuals. The air quality should improve quickly after sunset.
Overnight the sky will remain mostly clear with temperatures dropping into the low 70s south of Houston. Dry air northeast of Houston will allow temperatures to drop closer to 60-degrees. Most in Houston can expect low temperatures in the upper 60s and lower 70s.
What are we expecting for Memorial Day weekend?
The sunshine continues over the weekend with a partly cloudy sky returning by Memorial Day. We'll get to hold on to some of that dry air through Saturday morning, but you'll notice the humidity levels increasing Sunday and Monday as a stronger Gulf breeze kicks in. Afternoon temperatures will be hot with highs in the low-to-mid 90s.
When could we get more rain?
It's going to be a long time before the rain returns. A heat ridge settling in overhead will keep it mostly dry over the next 10 days. Only the sea breeze front that comes in from the Gulf during the afternoon could trigger a shower or thunderstorms. We've got a minor chance of rain in the forecast by the middle of next week, but don't get your hopes up too much.
Is there anything worth watching in the tropics?
We are keeping an eye on a developing tropical system in the Pacific that is expected to become Tropical Storm Agatha. We continue to see a signal that this will turn northeast into Mexico and then emerge in the Gulf of Mexico during the first few days of June. It's no real concern to us right now, but you can learn more about it in our daily tropical update.
Montgomery/Walker/San Jacinto/Polk/Grimes Counties
Fort Bend/Wharton/Colorado Counties
Ozone Pollution Watch in effect today
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