First Alert Forecast August 4, 2022 9:09 pm First Alert Forecast: Less Humidity for Weekend Humidity will improve this weekend. Meteorologist David Biggar has the evening forecast for Thursday, August 4, 2022. US & World Videos 3:21 First Alert Forecast: Slowly clearing marine layer 3:37 First Alert Forecast: Cool Wednesday 3:38 First Alert Forecast: More May Gray 3:04 First Alert Forecast: Temperatures in the 70s 2:11 First Alert Forecast: May Gray into sunny skies