Fire watch, red flag warning, and wind advisory issued for the Bay Area

A photo of the East Bay Hills — one of the higher elevation areas impacted by a fire watch and wind advisory issued until Monday morning, forecasters said. A photo of the East Bay Hills — one of the higher elevation areas impacted by a fire watch and wind advisory issued until Monday morning, forecasters said. Photo: Tom Stienstra, Tom Stienstra / The Chronicle Photo: Tom Stienstra, Tom Stienstra / The Chronicle Image 1 of / 1 Caption Close Fire watch, red flag warning, and wind advisory issued for the Bay Area 1 / 1 Back to Gallery

A fire watch and red flag warning have been issued for Saturday night to Monday morning for parts of the Bay Area due to gusty winds and dry conditions.

“We are not looking at a massive heat so that’s a good thing. It’s not going to be windy during this whole time frame, it’s really for the overnight time frame,” Suzanne Sims, a meteorologist with the National Weather Service, said Saturday.

The fire warning was issued from 8 p.m. Saturday to 9 a.m. Monday for the East Bay and North Bay hills, the Diablo Range and Santa Cruz Mountains at elevations above 1,000 feet.

The red flag warning, which alerts fire departments of dry conditions that could lead to rapid wildfire activity, was issued ahead of northeasterly winds that may reach between 20 and 25 mph with gusts of 55 mph in regions above 1,500 feet Saturday night, according to the National Weather Service.

It will be in effect from 11 p.m. Saturday to 9 a.m. Monday for the East Bay valleys, East Bay hills and the Diablo Range. The highest threat of wildfire will be in the East Bay Hills, specifically near Mount Diablo, as those regions recorded little or no rain.

Temperatures in the inland areas of the Bay Area are expected to stay in the 70s, Sims said. Coastal temperatures will be in the 60s to low 70s.

“It will warm up a bit by Sunday,” Sims said. There will be “more temperatures in the 80s, but those higher temperatures are in the valleys, not so much in the mountains.”

Temperatures in the higher elevations will mostly stay in the 70s.

On Saturday, Oakland city officials announced a closure of the city’s 500-acre Joaquin Miller Park, following its city ordinance when red flag warnings are in effect. Officials will post closure announcements at all of the park’s entrances and trails.

The humidity will initially be more than 50 percent on Saturday night, but will then drop lower Sunday, according to the Kensington Fire Protection District.

A wind advisory has been issued for the same time frame for the East Bay and North Bay hills and the Diablo Range. The winds can raise the fire danger.

Oakland firefighters plan to conduct fire patrols in the Oakland Hills in addition to their normal operations when the red flag warning is in effect.

Cal Fire warned that the state remains at a high risk for wildfires due to the winds this weekend.

“Don’t fall for it!” Cal Fire tweeted. “Despite recent rains, fire danger in CA remains elevated & gusty winds are expected this weekend in many parts of Northern CA. Landscape debris burn piles can easily spark a new wildfire. Local burn bans remain in place.”

Northeast winds up to 35 mph and gusts up to 50 mph are expected at the ridgetops, Sims said.

“People need to take the normal precautions with wind,” Sims said. “Secure stuff that might be blowing around. Just be careful with fire, barbecues, stuff like that.”

Sarah Ravani is a San Francisco Chronicle staff writer. Email: sravani@sfchronicle.com Twitter: @SarRavani