Hot weather is in the forecast for the San Francisco Bay Area in the first half of this week, and the National Weather Service issued an excessive heat watch for inland areas 11 a.m. to 8 p.m. on Tuesday. Locations bordering the Central Valley are among those at highest risk for scorching temperatures, including eastern portions of Contra Costa, Alameda, Santa Clara, and San Benito counties.
“Dangerous heat is possible for far inland parts of our area on Tuesday with an increasing risk for heat-related illnesses,” the weather service said. “Hydrate and take cooling breaks if you’ll be outdoors. Avoid activities during the heat of the day if possible.”
Record or near record temperatures up to 105 degrees are possible across inland areas.
Here’s a look at forecast highs for Monday and Tuesday at some locations across the Bay Area, according to the weather service:
Monday: San Francisco, 78; Oakland, 82; San Jose, 90; Santa Rosa, 92; Livermore, 98; Discovery Bay, 105.
Tuesday: San Francisco, 78; Oakland, 84; San Jose, 95; Santa Rosa, 94; Livermore, 103; Discovery Bay, 109.
The heat is the result of high pressure building into the area from Nevada’s Great Basin, the weather service said.
Late Tuesday, high clouds are expected to push into the Bay Area as monsoonal moisture from the desert Southwest climbs northward. While thunderstorms are possible in the Sierra Nevada, they’re highly unlikely in the Bay Areas.
Temperatures on Wednesday will be a few degrees cooler than on Tuesday. Monsoonal moisture will continue to move into the region bringing a slight chance of sprinkles.