The storm subsequently became a powerful low pressure system over the North Atlantic, before eventually dissipating on February 26.

[8][9] Over 4 million people lost power due to the storm, particularly in areas of the Deep South and interior Southeast.

Precipitation bands began developing with the system in portions of the Pacific Northwest, as well as the Rocky Mountains by 21:00 UTC that day.

Simultaneously, the main center of low pressure spawned several other low-pressure areas, while the storm began organizing.

[13][7] However, the storm stalled off the East Coast of the U.S. for another day, bringing additional precipitation to the region, before finally beginning to move out to sea on February 20.

[17][18] Then, the cyclone gradually began to weaken, with the storm spawning a new low-pressure system to the northeast on February 24.

[23][8][9] In total, the storm left over 4 million people without power, making it one of the worst blackout events in the United States.

Several inches of snow fell in Seattle, Washington, adding on to the totals from the previous storms.

[25] Further south in Oregon, heavy freezing rain occurred from February 15–16, resulting in widespread impacts.

Both the Houston and San Antonio metro areas saw up to 0.1–0.25 inches (2.5–6.4 mm) of ice from the storm.

The freezing rain and snow from the system resulted in numerous structural collapses across parts of the Deep South.

In northwest Louisiana, major highways such as I-20 had to be closed due to heavy snow and ice from the storm.

Hundreds of thousands of people in Texas and bordering states were placed under boil water advisories during and right after the storm.

[32] In Dallas, two ice hockey games between the Stars and the Tampa Bay Lightning scheduled for February 18 and 20 were postponed, due to the recent winter storms.

Further east, several businesses were forced to close in many locations, including Walmart, Publix, CVS, and Walgreens.

Postal delivery services, such as UPS and FedEx, were also severely impacted, due to the major winter storm.

[36] In Texas, the National Weather Service office in Austin/San Antonio described the snow and ice from the system as the "worst of all winter events over the past week".

Despite Arkansas having more snowplows than states to the south, the snow removal vehicles were still unable to keep up with the heavy snowfall rates.

[39] In Jackson, Mississippi, freezing rain and sleet coated the roadways with ice, and numerous crashes resulted.

[59] After leaving the Deep South, the winter storm moved up the East Coast, becoming a nor'easter.

Freezing rain resulted in hundreds of thousands of additional power outages in the area, which was still recovering from the previous week's ice storm.

[23] Icy roads on New York State Route 27 in North Babylon led to five car crashes resulting in two injuries.

[4] On February 17, President Andrés Manuel López Obrador said that Mexico would increase usage of oil to produce electricity.