First Alert Forecast July 21, 2021 4:27 am First Alert Weather: The Hot Weather Continues High clouds will keep temperature warmer across most of the region. Expect temperature highs in the upper 80s and 90s for most areas. David Biggar has the forecast for Wednesday July 21, 2021. US & World Videos 3:25 First Alert Forecast: Critical fire weather 3:50 First Alert Forecast: Breezy Wednesday 3:42 First Alert Forecast: Winds & Fire Danger 2:55 First Alert Forecast: Red flag warning 2:53 First Alert Forecast: Weekend weather