First Alert Forecast October 15, 2024 4:37 pm First Alert Forecast: Inside Slider Temperatures cool through Thursday before offshore flow starts to develop. Meteorologist David Biggar has the evening forecast for Tuesday, October 15, 2024. US & World Videos 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 2:55 First Alert Forecast: Red flag warning