You might want to keep your umbrella handy Thursday and Friday.

Thatís because are area of disturbed weather over North Texas is expected to slowly move into the central part of the state, which means an increased chance of rain or thunderstorms in Western Nueces County and the rest of South Texas.

According to the National Weather Service, there is a 20 percent chance of rain or thunderstorms in the Robstown area through Thursday and Friday.

The weather is expected to produce daytime cloud cover, but temperatures on both days are expected to hover in the upper 90s. Heat index values could reach as high as 100, meteorologist said.

The National Weather Service stated while the chances of rain are increasing, the chances of severe weather are slight.

Rain chances are expected to decrease Saturday.