On Monday at 5:41 a.m. a dense fog advisory was issued by the NWS Fort Worth TX in effect until 10 a.m. The advisory is for Grayson, Denton, Tarrant, Johnson, Bosque and Coryell counties.

Record low temperatures are possible Thursday morning with a forecast low of 14 degrees. The record low temperature on that date is 19 degrees, set back in 1939. But Texas will be Texas and temperatures will be back into the 70s for highs starting next week.