San Francisco residents are bracing themselves for a rollercoaster week in weather, according to reports from the National Weather Service (NWS). The Bay Area is heating up with temperatures potentially smashing records Sunday and Monday before an “impactful storm system” is expected to hit midweek, bringing in widespread moderate-to-heavy rainfall. National Weather Service Forecast Office San Francisco, CA has predicted seasonal warmth that might just make history, with certain climate sites set to challenge daily high-temperature milestones. The NWS specifically highlighted that “near record warm today and tomorrow with temps well above average.”