Strong winds and dry conditions are expected to increase the risk of wildfire in parts of Northern California tonight and tomorrow, weather forecasters said.

A vegetation fire near Vacaville is burning east of Interstate 80 on Friday and has the potential to reach 100 acres, according to officials.

A wildfire that has burned hundreds of acres northeast of Vacaville is now 70% contained, though strong winds were forecasted for Solano County, posing a potential fire risk. • Keller Fire: High winds and dry conditions keep danger high in Oakland The Hay Fire began Friday afternoon and grew to 869 acres after about an hour,

According to the Vacaville Fire District, it started just before 1 p.m. along the 6200 block of Hay Road, just east of the city.

Firefighters are battling a four-alarm brush fire near Vacaville. The blaze has burned at least 30 acres and was reported Friday afternoon on the 6200 block of Hay Road.