The National Weather Service has issued a severe thunderstorm watch for North Central Illinois and Northeast Illinois, including McHenry County, until 9 p.m. Tuesday. Affected areas in McHenry County include, Algonquin, Cary, Crystal Lake, Lake in the Hills, McHenry and Woodstock, according to the weather service. There is an elevated risk of damaging winds, up to 60 mph, and quarter-sized hail, according to the alert. Low temperatures are expected to be in the 60s Tuesday night, according to the service.