How Weather Varies Across the U.S. on the First Day of Fall

Photo by Aaron Burden on Unsplash

For those in the Northern Hemisphere to dust off your flannel because fall is officially here! 

According to the National Weather Service, the Autumnal Equinox will occur on Wednesday, September 22, 2021, at approximately 3:20 p.m. EST. 


As we welcome the season of leaf-peeping and pumpkin spice, let’s take a look at what the weather looks like across the country this week. 

Eastern U.S. Feels Like Fall 

The air feels crisp across New England. Boston, Massachusetts, has averaged around 75℉ this week. Temperatures will continue to decrease as we head into the weekend, ranging from the mid-60s to the low 70s. 

September is still a bit early for colorful fall foliage; the second week of October is when colors will be most vibrant. So plan your New England leaf-peeping and apple-picking adventures using this foliage tracker

While the northeast is ready for pumpkin spice, some areas have already skipped to winter. 

Snow Blankets Yellowstone National Park 

Yellowstone National Park said goodbye to summer with snow on September 19. The National
Weather Service
predicted nearly four inches of snow. 

Wyoming’s conditions on Wednesday are still chilly, with temperatures averaging 36℉. However, Yellowstone National Park’s forecast reports sunny skies with southwest winds of around 15 mph. 

Temperatures will linger in the low 30s at night, but daytime hours will warm up to reach the high 50s/ low 60s. 

Great Lakes and the Mid-Atlantic Get Heavy Rain

The NWS calls for heavy rain and severe thunderstorms with potential flooding from the Great Lakes to the central Appalachians on Wednesday. 

Showers and thunderstorms will continue to fall along a cold front that extends from the Great Lakes to the central Gulf Coast on Wednesday. Some areas could see several inches of rain, prompting potential localized flooding. 

In addition to heavy rain, the lower Ohio Valley and Great Lakes are at risk for severe thunderstorms with damaging winds and isolated tornadoes. 

Most of Michigan is under a Flood Watch

Are You Ready for Fall?

Some are ready for all the fun that fall has in store, while others want summer to stick around a bit longer. We’re curious to know how you feel!

Let us know on Twitter and be sure to tag us in photos of your favorite fall scenery!




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