Severe storm threat eyes millions across Southeast, Deep South from powerful cross-country storms
Back-to-back cross-country storms will develop and push from the Four Corners into the Midwest, in quick succession, beginning Thursday bringing rounds of heavy rain and severe storms across the Central and southeastern US. Severe weather is possible ahead of the first of these storms Wednesday across parts of Oklahoma and Texas. Meanwhile, the threat increases and shifts east on Friday, covering more than 8 million people across portions of northeastern Louisiana, Mississippi, and western Tennessee. Days of heavy rain are expected across the Midwest as well as the Ohio, Tennessee and Mississippi valleys.
Back-to-back cross-country storms are expected to bring heavy rain to millions east of the Mississippi River, the first of which begins Thursday, bringing a severe weather threat to parts of the central U.S. and Deep South, while the potential for flash flooding develops across the Tennessee Valley on Friday.
ROUNDS OF SNOW TO STRETCH FROM FOUR CORNERS TO THE GREAT LAKES, TRIGGERING WINTER WEATHER ALERTS
FILE – MILL VALLEY, CALIFORNIA – JANUARY 05: A car drives through floodwaters on January 05, 2026 in Mill Valley, California.
((Photo by Justin Sullivan/Getty Images) / Getty Images)
Wednesday: Cross-country storm develops in Southwest
The first storm developed in the Southwest on Wednesday and brought a blanket of steady rain over Phoenix and Tucson, Arizona, and into Albuquerque, New Mexico.
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A cold front is bringing a low-level severe thunderstorm threat to the Southern Plains, including Oklahoma and North Texas, with damaging wind gusts and hail being the primary threats.
This graphic shows the expected path of late week cross-country storm.
(FOX Weather)
Thursday: First storm begins cross-country sprint
This first cross-country storm will then race out of the Southern Rockies in earnest on Thursday and is expected to bring rain across much of the Southern Plains, with some of the heaviest downpours across parts of Oklahoma, Missouri and Kansas on Thursday morning.
The system will sprint through the Midwest through the day and a widespread area of rain will cover Chicagoland in Illinois, Wisconsin and Indiana and reach into parts of the Ohio Valley into the evening.
This graphic shows expected rainfall for Thursday, Jan. 8, 2026.
(FOX Weather)
Meanwhile, several rounds of thunderstorms will be possible across the Mississippi River Valley Thursday.
Friday: Severe weather threat for Deep South, as second storm takes shape
A cold front associated with the first storm will move into the Deep South on Friday, sparking the potential for the most significant severe weather threat this week.
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NOAA’s Storm Prediction Center has issued a Level 2 out of 5 risk of severe thunderstorms for an area covering more than 8 million people across the Lower Mississippi and Tennessee valleys, including parts of west Tennessee, Arkansas, Mississippi, Alabama and Louisiana.
This covers Memphis, Tennessee, Jackson, Mississippi and Baton Rouge, Louisiana. These storms could be capable of generating damaging wind gusts, hail and possibly tornadoes.
This graphic shows severe weather threats.
(FOX Weather)
On Friday, the second cross-country will develop once again in the Four Corners and move out of the southern Rockies, bringing another round of rain to many of the same places as the first storm in the Midwest, and in the Mississippi and Tennessee valleys.
RECORD HIGHS POSSIBLE AS MILLIONS EXPERIENCE SURGE IN WINTER WARMTH ACROSS SOUTHERN PLAINS TO MID-ATLANTIC
NOAA’s Weather Prediction Center has issued a Level 2 out of 4 threat of flash flooding for Middle Tennessee, northeast Mississippi and northern Alabama through Saturday, where more than 2-3 inches of rain are possible.
The Nashville, Tennessee metro area is currently just outside of this Level 2 threat.
This graphic shows the flash flood threat.
(FOX Weather)
Rain from the first storm will arrive in the Northeast and New England, including Washington, D.C., Philadelphia, New York City and Boston Friday morning.
Weekend: Washout for the East Coast
Rain is expected to linger across the Southeast Saturday morning as the second storm shifts into the Great Lakes region by the afternoon.
Expected rainfall.
(FOX Weather)
Showers and thunderstorms are expected across much of the Northeast and New England coasts through Saturday.
Conditions are expected to improve by late Sunday, with most areas drying out by Monday.
