At 05:00 hr PDT (12:00 UTC), the center of Tropical Storm Sergio was about 1590 kilometer (990 miles) of southern tip of Baja peninsula. A Tropical Storm Watch is in effect for the West coast of the Baja California peninsula from Punta Eugenia to Cabo San Lazaro and on the East coast from Bahia San Juan to Bautista to San Evaristo.

Tropical Storm Sergio is moving toward the east-northeast near 12 mph (19 km/h). An east-northeastward to northeastward motion with a further increase in forward speed is expected during the next few days. On the forecast track, the center of Sergio will approach the Pacific coast of Baja California Sur early Friday. Maximum sustained winds remain near 70 mph (110 km/h) with higher gusts. Gradual weakening is forecast during the next several days.

Through Sunday, heavy rainfall with Sergio is expected to lead to storm total accumulations of 3 to 5 inches with local amounts to 10 inches in northern Baja California Sur and Sonora in Mexico and well as the Southern Plains and the Ozarks of the United States.