Summer is finally here: Seattle residents should see temperatures in the high 80s this weekend.

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Get your sunblock and flip-flops out for this weekend: Temperatures could reach into the high 80s, forecasters say.

A high-pressure ridge is moving over Seattle, bringing in a spell of warm, dry air just in time for the weekend, said Johnny Burg, a meteorologist with the National Weather Service.

The weather service predicts a high of 85 degrees Saturday and 87 degrees for Sunday.

Sunday also has the potential to be the hottest Aug. 5 since 1977, when the temperature hit 89 degrees.

With the streak of warm weather comes a flood of notices from city and county officials, telling residents to prepare for the hot temperatures.

The Snohomish County Fire Marshal issued a burn ban for unincorporated areas of the county starting 6 a.m. Monday. It will be in effect until rains pick up, said county fire marshal Michael McCrary. King County also has a burn ban that will be in effect until Sept. 1.

With the thermostat rising, King County officials are reminding pet owners to take care of their animals, including providing cool water and shade for pets.

The Regional Animal Services of King County said pet owners should avoid leaving pets in cars where they can overheat, resulting in heat stroke, brain damage or even death.

The state Department of Ecology warned that hot weather coupled with vehicle exhaust and other air pollutants can increase levels of ozone, the major ingredient of smog. Ground-level ozone can pose a risk to people with lung and heart disease, children and older adults, among others.

But the warm, sunny weather will be good news for the estimated 130,000 people expected to flock to Seafair this weekend to watch the Blue Angels soar and the hydroplanes skate around Lake Washington.

The weather had been iffy the past couple of years, said Melissa Jurcan, director of marketing for Seafair. But this weekend, “we couldn’t be happier.”

Things should be back to normal Monday, when cooler air from the coast will move in over the region, Burg said.