SF News SF Launches Heat Mapping Effort to Find 'Heat Islands' As this weekend's heatwave descends on the Bay Area, thirty volunteers are participating in a community heat mapping project — called Urban Heat Watch— as part of SF's effort to better understand and locate "heat islands" in the city.
SF News 'Excessive Heat Watch' Issued For The Bay Area This Weekend The warm weather we've been expecting for the weekend is definitely here, officials say, warning Bay Area residents that conditions will be unseasonably hot from Friday afternoon through Sunday night. Bay City News