Hurricane Polo is bringing heavy rain and strong winds to parts of Mexico's coastline, with the potential for life-threatening flooding and mudslides in Guerrero, Michoacán, and Jalisco. Tropical Storm Nolo poses a significant risk to Hawaii, particularly the Big Island and Maui, with forecasts predicting 10-15 inches of rain and up to 35 inches in higher elevations. Damaging winds exceeding 75 mph are possible, along with dangerous surf and rip currents. The National Hurricane Center has issued a hurricane watch for Hawaii County, warning of catastrophic flooding and mudslides.