weather September 24, 2024 4:52 pm National Weather Service upgrades its radar systems In order to keep up with the atmosphere, the National Weather Service recently completed an upgrade to its weather radars. Meteorologist Vianey Arana reports. US & World Videos 2:47 Vianey's forecast: Gradual cooling starts 2:46 Jeff's Forecast: Temps to drop with a shower chance this week & Hurricane Milton 3:52 Jeff's forecast: Cooler temps 3:01 October heat brings extreme fire danger 3:07 Forecast: Heat advisory, gradual cooling ahead