Napa Weekend Temps Forecast To Hit 109: NWS

NAPA COUNTY, CA — The National Weather Service has issued an excessive heat watch for most of the Bay Area including Napa County.

The heat watch will be in effect from 11 a.m. Saturday through 8 p.m. Tuesday.

Temperatures are expected to warm later this week and top out over 100 degrees Saturday and Sunday in Napa and Calistoga according to the NWS’ latest forecast. The forecast high for Calistoga on Sunday is 109.

“The risk for heat related illnesses is increasing,” the NWS said on the agency’s Facebook page.

“Make sure to hydrate and take cooling breaks if you'll be outdoors. Avoid activities during the heat of the day if possible.”