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The downtown Houston skyline is photographed from Sabine Street Bridge Thursday, Oct. 6, 2022, in Houston.

Photo by: Yi-Chin Lee/Staff Photographer

Houston broke a record for overnight lows above 80 degrees. Here's why that's concerning.

Houston has recorded the most lows above 80 degrees and the ongoing heat dome will keep nighttime hours warm this weekend.

Notice: You're receiving this as a special first look at the Chronicle's new weather team, launched in partnership with the San Antonio Express-News. We'll provide daily forecasts and data-driven explainers on weather events in Houston to help you navigate your daily lives. To read more, click here.