NWS Forecast Office Tulsa, OK

Areas of fog and freezing fog will become probable late tonight into Saturday morning across much of eastern Oklahoma and northwest Arkansas. There is a high chance for visibilities less than one half mile as shown by the orange and yellow colors in the image. Generally north of I-40 is where temperatures could fall below freezing and lead to a greater chance of freezing fog possibly causing some slick spots and elevated surfaces for the morning drive on Saturday.