During the next few days, an early-season heat wave  will intensify across the southern tier of the U.S. Triple-digit heat, with readings of 100-degrees or higher, will appear across the southern High Plains on Friday and persist well into next week. Temperatures will exceed 110 degrees in the Desert Southwest. Throughout the South, heat will promote winter wheat harvesting but boost irrigation demands and stress reproductive corn.
Meanwhile, 5-day rainfall totals  will range from zero in much of the nation’s southwestern quadrant to as much as 1 to 3 inches in the Northwest, Northeast, Midwest, and Southeast.
Looking ahead, the 6- to 10-day outlook  calls for below-normal temperatures in the Northeast and Northwest, while hotter-than-normal weather will prevail across the southern half of the U.S.