The stormy conditions may include lightning, gusty winds, brief periods of heavy rain and small-size hail, the Weather Service said.

An active pattern will bring “unsettled weather conditions” to the Golden State, the National Weather Service said.

The storm also is expected to drop high temperatures into the 60s, following a few above-average weeks.

The hottest day in Modesto for the year so far was recorded in March.

After days of record-breaking heat, here's where stormy weather will return across California.