First Alert Forecast December 1, 2022 6:18 am First Alert Forecast: When Will It Rain? Cool temperatures and the possibility of rain are in the forecast. Belen De Leon has the forecast for Thursday Dec. 1, 2022. US & World Videos 3:44 First Alert Forecast: Nice Weather Continues 3:46 First Alert Forecast: Beautiful Week Ahead 3:18 First Alert Forecast: Breezy Sunday 3:31 First Alert Forecast: Mostly Cloudy Saturday 3:12 First Alert Forecast: Rain this weekend