Update, 5 p.m. Sunday: The cancelations have begun. DFW International Airport reports that it canceled 160 flights today, mostly evening flights that could be affected by plunging temperatures and freezing rain changing to sleet. Half of DFW's flights tomorrow are already canceled.
The word "thundersleet" is now officially in the National Weather Service forecast -- the National Weather Service says the dreaded atmospheric condition could hit during the day tomorrow as the storm moves through and temperatures keep dropping.
Update, 8 a.m. Sunday: Forecasters now expect rain to move into North Texas after noon. Then temperatures tumble below freezing and things get downright nasty. The latest winter storm warning calls for as much as two inches of sleet in some areas tonight and Monday.
Update, 9:20 p.m. Saturday: The National Weather Service has issued a winter storm warning for most of North Texas, with up to an inch of sleet and freezing rain predicted between 6 p.m. Sunday and 6 p.m. Monday.
Temperatures are expected to dive below freezing Sunday night and stay there through Tuesday morning. And the weather service's forecast hints at thundersleet during the day Monday.
Original post: A winter storm watch has been issued for parts of North and Central Texas Sunday night through Monday evening by the National Weather Service. intry mix is expected to develop over the area, with sleet being the primary form of precipitation, the weather service says. Sleet accumulations of up to half an inch are possible by the afternoon on Monday.
For the areas farther south in storm's path, accumulations will be less severe and could change into freezing rain. A winter weather advisory might be issued at some point this weekend for these areas because of potential yet light accumulations of sleet and freezing rain.
Although forecasters are confident the winter storm will happen this Sunday, check back for updates throughout the weekend.