weather September 22, 2024 7:34 am NBC 5 FORECAST: One more hot day; Cold front arrives tonight The first day of autumn is sunny and hot with highs in the low 90s. A cold front arrives tonight, bringing relief for the week ahead. NBC 5’s Adrienne Vonn has the forecast. Wake Up to Something Good 0:52 Weather Quiz: Wind turbines 0:48 Weather Quiz: Jet stream 16:17 Weather Quiz: Snowfall 0:46 Weather Quiz: Wettest month 0:41 Weather Quiz: Coolest air