First Alert Forecast June 5, 2021 9:47 am First Alert Forecast: Nice and Comfortable A cooler weekend is upon us as the marine layer deepens each morning. Shanna Mendiola has the forecast for Saturday, Jun. 5, 2021. US & World Videos 3:18 First Alert Forecast: Breezy Sunday 3:31 First Alert Forecast: Mostly Cloudy Saturday 3:12 First Alert Forecast: Rain this weekend 3:46 First Alert Forecast: Weekend Sprinkle Chance 3:47 First Alert Forecast: Morning Clouds & Fog