An historic, early-season heat wave will persist for the remainder of the week in many areas from the central Plains into the Mid-Atlantic and Southeastern States, according to USDA's Joint Ag Weather Facility. High temperatures will regularly approach, reach, or exceed 100°F in the heat-affected regions. In addition, heat will briefly spread across the northern Plains and the upper Midwest.
During the next 5 days, some of the most significant rain will fall in the north-central U.S., where 1- to 3-inch totals may occur. Meanwhile, scattered, locally severe thundershowers will dot the East. Farther west, the development of monsoon showers may aid wildfire containment efforts in the central Rockies and the Four Corners States.
The NWS 6- to 10-day outlook for July 7-11 calls for hotter-than-normal weather virtually nationwide. Below-normal temperatures will be confined to parts of Florida’s peninsula. Meanwhile, drier-than-normal weather across the majority of the U.S. will contrast with above-normal rainfall in the central Rockies and portions of the Atlantic Coast States.
Here are region forecasts:
- In the West, more than four dozen large wildfires continue to burn from Arizona and New Mexico northward into Montana. Mostly above-normal temperatures prevail in the West, except along the Pacific Coast.
- On the Plains, relatively cool conditions in Texas contrast with above-normal temperatures farther north. Today’s high temperatures will exceed 100°F on the central High Plains, where the ongoing heat wave continues to stress both rain-fed and irrigated summer crops.
- In the Corn Belt, a record-shattering heat wave continues to trim yield prospects for reproductive corn and soybeans across drought-affected southern and eastern portions of the region. In addition, heat is spreading into the upper Midwest, where some corn is beginning to silk and some soybeans have begun to bloom.
- In the South, beneficial showers are providing very localized and limited relief from record-setting heat. On Sunday, all-time records were set or tied in Southeastern locations such as Chattanooga, Tennessee (107°F), and Greenville-Spartanburg, South Carolina (107°F). Triple-digit temperatures can be expected again today in much of the Southeast, where reproductive summer crops continue to wither.
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