National Weather Service meteorologists predicted wintry precipitation across the southern Plains region starting Wednesday night, with snow likely in Texas, Oklahoma and Arkansas. Farther south, snow could transition to sleet and freezing rain,

Highs on Thursday will reach the mid-30s before a strong winter storm approaches the state, bringing some snowfall to parts of the state. Winter storm watches remain in effect along and south of the I-40 corridor,

Flight cancellations are already piling up as a winter storm bears down on Texas and the US South, bringing snow and ice that could coat power lines and trigger blackouts.