The best chance of rain appears to be Friday morning, starting about 3 a.m. Although the risk isn’t great, some storms could produce quarter-sized hail.

The National Weather Service says the chance of rain and thunderstorms is just 20 percent this afternoon and evening and then 30 percent Friday.

It won’t cool off much if at all. Friday’s high is expected to be 86, followed by 93 Saturday and 90 Sunday. There’s a 40 percent chance of rain and thunderstorms on Monday.

National Weather Service, Pleasant Hill: