First Alert Forecast July 21, 2020 5:17 am First Alert Forecast: Highs in the 70s and 80s Temperatures will be below normal. Belen De Leon has the forecast for Tuesday July 21, 2020. US & World Videos 3:00 First Alert Forecast: Sunday forecast 2:35 First Alert Forecast: Another round of May Gray 3:09 First Alert Forecast: What's ahead for the weekend 3:39 First Alert Forecast: May Gray Lingers 3:04 First Alert Forecast: Temperatures stay in the 60s and 70s