First Alert Forecast September 27, 2024 6:12 pm First Alert Forecast: Beautiful Weekend The weekend looks nice before temperatures start to climb next week. Meteorologist David Biggar has the evening forecast for Friday, September 27, 2024. US & World Videos 3:43 First Alert Forecast: Slight Cooling 3:17 First Alert Forecast: Heat continues 3:49 First Alert Forecast: Dangerous Heat for Wednesday 3:35 First Alert Forecast: Heat Returns 2:55 First Alert Forecast: High temperatures on the way