CHICOPEE, Mass. (WWLP) – The 22News Storm Team has issued a Weather Alert for the potential of strong to severe thunderstorms Sunday night. Western Mass. swelters with summer heat and humidity Skies will be mostly cloudy Sunday night with showers and thunderstorms. Some storms could produce strong, damaging winds, heavy rain, and frequent lightning. Lows will be around 60 degrees. Monday is looking like a nice day with mostly sunny skies and cooler temperatures.