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This map shows how future radar could look according to the High-Resolution Rapid Refresh model, which is used to determine weather patterns in the period of 24 to 36 hours. It shows heavy pockets of rain, similar to what the region saw Tuesday night, across much of Southeast Texas Friday morning.

Photo by: WeatherBELL

Houston sunny but storms loom. Here's a timeline for the rain

Another round of rain is set to arrive Thursday night after a generally sunny day and could slow morning commutes Friday.

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.