Before chilly air arrives to spice up Thanksgiving celebrations across Texas, parts of the Lone Star State are bound to get rocked by thunderstorms to start the work week.

Forecasters say a significant storm system from the Pacific coast should push northeast toward the Four Corners region on Sunday. It’s likely to then begin shifting southeast toward some of Texas’ most populated areas, causing possible wet weather headaches, and even some flooding concerns, for areas like the Dallas-Fort metroplex on late Sunday.

“By late this afternoon into this evening, showers and storms will spread eastward into the Big Country and west-central North Texas,” wrote the National Weather Service in Dallas-Fort Worth in its Sunday morning update. This system might mean strong to severe storms with the possibility of large hail for locations west of I-35.

“Coverage of showers and storms will increase even more overnight through Monday morning across North Texas and western Central Texas as the upper low and attendant surface low move into Colorado/Kansas.”

At that point, the NWS is warning residents of a flood threat, with overall rainfall totals of anywhere from 0.5 inches to even more than 4 inches in some places. A flood watch is likely to be issued Sunday for parts of North Texas. High temperatures in DFW will be anywhere from the high 60s to low 70s through Tuesday, before a cold front Wednesday morning drops highs into the high 50s.

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The storms could also impact Southeast Texas starting Monday morning, and particularly the Brazos Valley west of metro Houston, though the NWS in Houston-Galveston expects the worst of any threat to take place late Monday and into Tuesday morning.

“The front will linger near the coast throughout the day on Tuesday leading to rain chances persisting south of I-10 going into Tuesday night,” wrote the NWS in its Sunday morning update.

The NWS wrote some areas could see locally heavily rainfall leading to minor street flooding on Monday and into Tuesday. Temperatures in Southeast Texas should remain in the high 70s to low 80s through Tuesday. A cold front will push into the area early Wednesday, dropping high temperatures into the high 60s on Wednesday and for Thanksgiving.

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This article originally published at Storm system to push potentially severe weather through Texas.