Houston's weather hits record highs, with temperatures expected to stay above seasonal norms for the coming week.

High temperatures are expected to stay in the 70s on Sunday, but temps will rise to record levels by the middle of the week.

Monday is an Ozone Action Day which means those with heart or lung conditions should avoid extended exertion outdoors.

Meteorologist Kim Castro explains what it is and why it's bringing several days of unsettled weather to Houston.

HOUSTON, Texas (KTRK) -- The threat for widespread severe weather and flooding has ended for most of southeast Texas. Scattered thunderstorms will continue overnight into Wednesday. Thunderstorms ...

Heat records are continuing to fall across the region as Houston (and much of Texas) falls under the sway of high pressure.