First Alert Forecast October 31, 2022 6:55 am First Alert Forecast: Cool, Dry Halloween, But Rain Mid-Week An unsettled weather pattern will bring moisture to SoCal mid-week. Belen De Leon has the forecast for Monday, Oct. 31, 2022. US & World Videos 2:28 First Alert Forecast: Chilly temperatures 3:05 First Alert Forecast: Cooler Thursday 3:25 First Alert Forecast: Critical fire weather 3:50 First Alert Forecast: Breezy Wednesday 3:42 First Alert Forecast: Winds & Fire Danger