First Alert Forecast September 10, 2024 9:26 am First Alert Forecast: Red Flag Warning Today marks the beginning of a cooling trend. However, temperatures will still be high, ranging from the 90s to low 100s inland. Excessive Heat Warnings remain in effect through 8pm tonight. US & World Videos 1:18 First Alert Forecast: Red flag warning winds down 2:37 First Alert Forecast: Strong winds and red flag weather 3:54 First Alert Forecast: Strong Santa Ana Winds 3:20 First Alert Forecast: Santa Ana winds 3:09 First Alert Forecast: Chance of rain