Las Vegas, NV – Tropical Storm Mario is expected to send a surge of moisture into the Desert Southwest later this week, raising the likelihood of showers and thunderstorms across Nevada and neighboring states.
According to the National Weather Service in Las Vegas, Mario itself will not directly impact the region, but its northward push of tropical moisture could boost rain chances beginning Thursday, September 18, and lasting through the weekend. Forecast models show varying outcomes, with precipitation probabilities reaching as high as 45% in Kingman and Lake Havasu City on Friday. Las Vegas faces a 35% chance of showers on both Thursday and Friday.
The National Hurricane Center’s track shows Mario moving northwest off the Pacific coast of Mexico, gradually weakening while directing bands of moisture northward. Meteorologists caution that rainfall totals remain uncertain, but the setup could bring scattered downpours, localized flooding, and thunderstorms to parts of Nevada, California, and Arizona.
Cities including Barstow, Bishop, Laughlin, and Mesquite also see elevated rain chances heading into the weekend. Even small shifts in Mario’s path could alter moisture flow and storm intensity, forecasters noted.
Residents are advised to monitor daily forecasts, especially for potential flash flooding in desert areas and along washes. More detailed projections are expected later this week as confidence in Mario’s moisture plume increases.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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