First Alert Forecast September 21, 2020 5:38 am First Alert Forecast: Stronger Winds This Afternoon Critical fire conditions are expected to start the week. Belen De Leon has the forecast for Monday Sept. 21, 2020. US & World Videos 3:12 First Alert Forecast: Clear and Chilly Friday 2:28 First Alert Forecast: Chilly temperatures 3:05 First Alert Forecast: Cooler Thursday 3:50 First Alert Forecast: Breezy Wednesday 3:42 First Alert Forecast: Winds & Fire Danger