Tropical Storm Mario formed off the coast of Mexico in the Eastern Pacific Ocean Friday morning, threatening heavy rain and some potential for flash flooding along the coast's higher terrain.

Mario, the 13th named storm of the 2025 eastern Pacific hurricane season, is a "tiny" storm with tropical-storm-force winds extending outward up to 25 miles north of its center, the NHC said. The storm is expected to bring two to four inches of rain, with some areas of southern Mexico receiving up to six inches, through Sunday, Sept. 14.

Tropical Storm Mario forms off the Pacific coast of Mexico and is forecast to bring rain and possible flooding.

Very warm waters, steering currents and other factors point to the Gulf of Mexico as the main area of concern for tropical development over the next couple of weeks, AccuWeather meteorologists say.

The CPC's latest outlook highlights a risk of cyclones, at least of tropical depression strength, for Florida and nearby regions.

Over the last 170 years of data, today, September 10th is the average peak of hurricane season. So, on average, today is the day with the highest likelihood for tropical storms and hurricanes. This year,

Tropical Storm Mario forms off the Pacific coast of Mexico and is forecast to bring rain and possible flooding

The disturbance comes despite the Atlantic basin seeing a lull in hurricane activity during a typically active time.

Chief Meteorologist Devon Lucie shows you how hot and humid it was at the time of the broadcast and what's the main driver of our weather pattern through the next few days and shows you how hot and humid it will be over the weekend and what the extended forecast looks like for temperatures and rain chances.