weather forecast July 20, 2020 5:53 pm NBC10 First Alert Weather: Sweltering Heat Continues The dangerous heat continued on Monday. How long will it last? NBC10 First Alert Weather meteorologist Krystal Klei has the forecast. US & World Videos 2:27 Afternoon warmth before rain returns and temps dip 2:08 Rainy start gives way to sunny, hot afternoon 2:16 Showers and storms early, sunny and warm later 2:38 Sunny and summer-like 2:41 Let the sun shine and temps warm