A major shift in the weather pattern will drive cooler air southward across the Plains and into Texas through this weekend.
After a long, hot summer in much of Texas and the southern Plains, any relief from the 100-degree readings will be more than welcome.
Cooler, less humid air will travel thousands of miles to the south from Canada during the second half of this week, reaching Oklahoma before the week comes to an end.
The air will push southward across much of Texas over the weekend.
High temperatures are forecast to be 15 to 25 degrees lower in the wake of the front. In Dallas and San Angelo, highs are forecast to be in the 80s both days of the weekend. By Sunday, the more comfortable air will reach into San Antonio, Houston and El Paso.
It is possible that temperatures and humidity levels will be shaved as far south as South Texas and part of northern Mexico by early next week.
Ahead of the front through the end of the week, the heat will continue over the region.
As the front pushes southward, there is the potential for a severe weather outbreak over portions of the South Central states spanning into Saturday.
The pattern change will bring additional rounds of showers and thunderstorms to portions of the Ohio Valley, South and East this weekend.
A dip in steering currents will drive the cool air across the Plains and could work to draw Leslie northward into Atlantic Canada next week.
Ski areas will welcome the fresh power that will blanket mountains from the Alps and Apennines into the Balkans.
While lacking across a large part of the United States on Christmas Day, arctic air is set to make a comeback during the final days of 2014.
A storm will spread rain and disruptive snow across southeast Europe Sunday into Monday.
As snow winds down over the Central states during the weekend between Christmas and New Year's Day, a new storm will ramp up over the Northwest and will lead to travel disruptions.
There is the risk of flooding from Louisiana to Alabama this weekend, while rain may lead to travel delays in a large part of the South and spotty rain and snow reach the Northeast.
As the year comes to a close and people prepare to celebrate the start of 2015, many will be bundling up as cold weather stretches from coast to coast.
Tennessee's heaviest snow since 1843: McMinnville 14"; Memphis 8.5".
Long Branch, NJ (1913)
70 mph winds during a huge coastal storm.
South Pole, Antarctica (1978)
Record all time high of 7.5 degrees F.