First Alert Forecast August 3, 2022 4:37 pm First Alert Forecast: Mountain & Desert Storm Chance Thunderstorms will pop up over the mountains by the afternoon. Meteorologist David Biggar has the evening forecast for Wednesday, August 3, 2022. 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