Thunderstorms are expected to move into the Rio Grande Valley after 7 p.m. Sunday and last until 1 a.m., according to the First Warn 5 Weather Team.

The Storm Prediction Center has placed the entire Valley under a marginal risk of severe weather, according to the Weather Team.

Main threats could come from damaging winds and hail and a tornado threat is very low. Chances of flash flooding is small but heavy rain is possibl

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