Even though the calendar says March, winter is making another return to Oklahoma. Freezing drizzle and freezing fog will continue tonight across Oklahoma causing a light glaze of ice on elevated surfaces.
As we head through the overnight hours, chances of a mix of freezing drizzle, freezing rain, and sleet will be on the increase. A rumble of thunder may even be possible by early Sunday morning with any sleet or freezing rain. Any precip that falls will likely create slick spots on roadways especially bridges and overpasses.
By Sunday morning freezing rain will likely transition into sleet with scattered sleet showers lasting through the morning. Roads remain icy as well and cautious travel is advised.
Sunday afternoon brings a better chance for accumulation of sleet and snow and any freezing rain becomes all sleet or snow. Best areas to see accumulating snow will be northern Oklahoma where 1-3+ inches of snow will be possible. Amounts will be less farther south especially if more sleet falls than snow. Areas around the metro will likely see a trace to an inch of a sleet and snow mixture with highest amounts on the north side of the Metro. Road conditions will become much more hazardous Sunday afternoon in areas that see accumulating sleet and snow.
Any precip will end as we head into late Sunday evening and Sunday night with bitterly cold temps left behind.
The other side of this story is the extremely cold temps. On Sunday temps will likely not make it out of the teens all day with wind chills around 0° or colder. Sunday night into Monday morning, actual temps will fall into the single digits with wind chills anywhere from -5° to -15°. Monday will be bitterly cold and the coldest morning of the next week. Temps will stay below freezing all day with highs likely only in the 20s. We warm up above freezing on Tuesday with warming trend lasting through the end of the week.