IMPERIAL COUNTY (FOX 5/KUSI) -- It's going to be hot this week in Southern California and cooling and hydration centers will be open in Imperial County, in addition to cooling centers open in San Diego County, to help people stay safe in extreme heat.

As much of inland Southern California braces for extremely hot temperatures from 90 up to 114 degrees, much of Imperial County and portions of southwest Arizona can expect temperatures between 107 and 115 degrees during the extreme heat warning from Wednesday morning to Friday evening.

In preparation for the extreme heat, the County of Imperial is reminding residents of cooling centers and hydration stations open throughout the county.

The National Weather Service in Phoenix is forecasting a 10-30% chance of thunderstorms moving into south

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