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.
A storm will bring snow and ice that will lead to slippery travel along a 1,500-mile swath from northern Arkansas and Georgia to Maine early next week.
Spring of 2016 could rank in the top 10 warmest on record for Canada.
The coldest air of the winter will plunge southward across much of the eastern United States and will feature single-digit and sub-zero temperatures in the Northeast during Valentine's Day weekend.
A blast of arctic air will be accompanied by flurries and even a localized wall of snow in some communities in the Northeast and parts of the Midwest at the start of the Valentine's Day weekend.
The next windstorm to target Europe will narrowly miss the United Kingdom on Saturday before a cold snap settles in for Valentine’s Day and Monday.
Passengers on the latest voyage of Royal Caribbean's Anthem of the Seas faced the complete opposite of a care-free, relaxing experience after an encounter with a ferocious storm in the Atlantic.
Chicago, IL (1999)
70 degrees, new record high for date.
Alpine Meadows, CA (2001)
As much as 75 inches of snow over past 3 days.
Lead, SD (2005)
67 degrees, broke old record of 61 degrees set in 1983.