130 Million Americans Brace for Potentially Largest Severe Weather Event of 2025

An expansive, sprawling storm Will take center stage throughout North America this weekend.

In fact, a media source down south stated it "could develop into the most significant severe weather and tornado outbreak of the year up until now." Dangerous, potentially destructive, and even life-threatening circumstances might affect numerous states across the region.

RELATED: A significant storm in major parts of the U.S. is posing risks of flooding, blizzard conditions, and even tornadoes later this week.

It will be the first event of the year that could affect over 130 million people in the U.S. with hazardous conditions before shifting towards Canada. Saturday and Sunday .

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Severe thunderstorms are expected to develop over the Mississippi and Tennessee valleys late Friday afternoon, persisting through the night until early Saturday morning. The threats include potential supercell formations, strong winds, and possible tornadoes. Key urban areas likely affected are St. Louis and Springfield, Missouri.

Some mild thunderstorms might slip into northern Ontario as the storms move northward on Friday night and Saturday morning.

The period transitioning from Saturday to Sunday marks a shift in the regions vulnerable to severe weather conditions. This timeframe sees an increase in moisture availability, setting the stage for potent thunderstorms to persist through another day.

Thunderstorms will begin in the afternoon across parts of the Deep South and Upper Midwest, potentially bringing multiple threats. Key urban areas likely to experience severe weather encompass Columbus and Cleveland in Ohio, Memphis and Nashville in Tennessee, as well as Pittsburgh in Pennsylvania.

The storms moving northwards could place sections of southwestern Ontario in danger of unpleasant weather from late Saturday through Sunday. The National Weather Service's Storm Prediction Center (NWPSC) The convective forecast indicates a possibility of severe storms close to Lake Erie.

It's probable that this upcoming weekend will include embedded thunderstorms. southern Ontario It is still too early to determine the severity of the impending thunderstorms and their potential impact. We will continue to provide updates leading up to the event.

Using reports from Rachel Modestino, a meteorologist at The Weather Network.