May 1 2021, National Weather Service said areas such as Sacramento, California, and northern San Joaquin Valley will face gusty and dry weather from May 2, weather conditions are highly likely to cause fires, so the region issued a red flag warning for wildfires, warning from May 2 from 11 a.m. to May 4 at 17:00.
The California Fire Department says several wildfires have broken out in the state, including one in Calaveras County, and 55 percent of them were under control as of 1 p.m.
In addition, the National Weather Service has issued red flag warnings for parts of Minnesota, Iowa and Wisconsin on the same day due to drought and hot weather.
The red flag warning is a forecast issued by the National Weather Service, which says weather conditions are likely to trigger extreme wildfires and cause forest fires.