The first week of February is bringing an unusual weather pattern across the United States, with mild Pacific air pushing temperatures well above seasonal norms. After a historically cold and snowy January, which saw temperatures 3 to 6 degrees Fahrenheit below average from the Gulf Coast to the Great Lakes, the rapid thaw is setting the stage for a dramatic contrast between warm and cold air masses. This sharp divide will not only bring a temporary taste of spring but could also pave the way for storms capable of producing rain, ice, and even severe weather.
The shift in temperatures is driven by a west-to-east jet stream pattern, which is keeping the coldest air confined to northern latitudes while allowing unseasonably warm air to surge into the central and eastern United States. The rise in temperatures has already been dramatic, with parts of the country experiencing highs 15-20 degrees above the February average.
Cities like Oklahoma City, St. Louis, Detroit, and Nashville began feeling the warmup early in the week, with temperatures climbing into the 60s and 70s. Nashville even saw highs reach into the 70s, a significant jump from the usual early February average of around 50 degrees. Meanwhile, Oklahoma City and Dallas pushed close to 80 degrees, giving residents a brief but surprising taste of late spring.
Even in the Northeast and mid-Atlantic, where winter has maintained a firmer grip, the warmth has made its presence known. Highs in the 40s, 50s, and even 60s spread across the region, with Washington, D.C., approaching its daily record of 65 degrees set back in 1927. Further south, cities such as Atlanta, Raleigh, and Dallas are expected to challenge or even break record highs as the warm air continues to surge through the region.
While the warmup is welcome news for many, it also brings a heightened risk of stormy weather. The dividing line between warm and cold air is acting as a pathway for multiple storm systems to develop and track across the country.
Between February 5 and 11, meteorologists are closely watching the potential for three separate storms to impact the central and eastern U.S. Two of these storms are expected to bring wintry precipitation, particularly in the Ohio Valley, northern mid-Atlantic, and Northeast. Ice and heavy rain are likely in some areas, making travel hazardous.
The first of these storms is already forming in the northern Plains and is set to move eastward, bringing rain, ice, and possibly snow to parts of the mid-Atlantic and New England. A second storm, expected by the second weekend of February, could follow a similar path, delivering more rounds of wintery weather.
In addition to the wintry mix, severe thunderstorms are expected to ramp up across the Mississippi and Tennessee valleys. With the Gulf of Mexico still warmer than usual, there is added moisture to fuel storm development. Combined with occasional dips in the jet stream, this setup increases the likelihood of severe thunderstorms—especially across the lower and mid-Mississippi Valley.
While this period of abnormal warmth may provide a brief winter reprieve, it also serves as a stark reminder of the dynamic and unpredictable nature of weather patterns. Whether dealing with near-record highs, icy roads, or potential severe storms, Americans across multiple regions should stay prepared for the rapidly shifting conditions in the days ahead.