First Alert Forecast March 18, 2021 5:52 am First Alert Forecast: More Clouds Rain is moving into the West Coast, but staying to the north. Belen De Leon has the forecast for Thursday March 18, 2021. US & World Videos 3:06 First Alert Forecast: Warm weather ahead 3:07 First Alert Forecast: Patchy clouds and fog 2:59 First Alert Forecast: Windy Friday with possible showers 3:46 First Alert Forecast: Windy Friday 2:51 First Alert Forecast: Cooler weather lingers before weekend warm-up