Tropical Storm Rachel to fuel dangerous flash flood threat in the Southwest

Tropical Storm Rachel is racing northeast and headed for landfall over northern Baja California on Saturday night. ABC News Tropical Storm Warnings are up from San Jose de Las Palomas in Baja California up to the U.S.-Mexico border. Tropical Storm Watches were issued for parts of the southern California coast from the U.S.-Mexico border up to the San Diego-Orange County Line. ABC News A level 3 of 4 "moderate risk" of flash flooding is up for parts of southern California, including San Diego and Indio. Related Hurricane Isaias updates: Isaias downgraded to post-tropical cyclone On Sunday, the flood threat stretches farther into the Southwest. ABC News A level 3 of 4 "moderate risk" of flash flooding is up for parts of southern California, northwest Arizona, southern Nevada and southwest Utah. This area includes Las Vegas, San Bernardino, California, the Grand Canyon-Parashant National Monument, and St. George, Utah. ABC News Additionally, 1 to 3 inches of rain is possible across portions of the interior Southwest over the next 48 hours. The highest totals will be in mountainous areas, with isolated rainfall totals over 3 inches possible. Popular Reads Hurricane Isaias updates: Isaias downgraded to post-tropical cyclone 33 minutes ago Hasan execution will be live-streamed, Pentagon official says 2 days ago Christa Pike asked 'Where am I?' after waking up following botched execution: Lawyer Oct 7 Strong wind gusts will also impact parts of the region on Sunday, with the highest gusts over the mountain regions throughout the day.