The National Weather Service's 148 WSR-88D Doppler radars can detect most precipitation within approximately 90 mi of the radar, and intense rain or snow within approximately 155 mi. However ...

“Give yourself extra time in your commute if you are traveling within the area on the map (north of I-88).” Rates of up to a quarter-inch per hour were possible, the NWS reported. As of 7:30 a ...