The storm made landfall around 7 p.m. on Saturday in Ito, a resort town on the Izu Peninsula, also southwest of Tokyo.

By midnight, the rain and wind had moved past the capital, leaving some flooding in the city’s west.

The Japan Meteorological Agency said Saturday afternoon that sustained winds from the typhoon had been measured at about 100 miles per hour, with gusts of up to 135 miles per hour, landing the storm in the third-strongest category.

By Saturday night, NHK reported that local governments had ordered 3.9 million people to evacuate their homes. That included 432,000 people who had been advised to leave the Edogawa ward of Tokyo because of fears of heavy flooding. In Kawasaki City, outside the capital, more than 900,000 people had been urged to evacuate, according to NHK.