Heat wave across the southern U.S.

Heat wave across the southern U.S.

On the Plains, showery conditions across northern areas are temporarily disrupting small grain harvest activities. Meanwhile on the central and southern Plains, extremely hot weather is increasing stress on livestock and summer crops. Monday’s high temperatures will exceed 100 degrees from Kansas to Texas.

Across the Corn Belt, hot weather is starting to build across southern areas, including the lower Ohio Valley, where Monday’s high temperatures will approach 95 degrees. In contrast, locally heavy showers and thunderstorms are causing some renewed lowland flooding in the western Corn Belt.

In the South, a heat wave is maintaining significant stress on animals (including broilers) and immature summer crops. Monday’s high temperatures may exceed 105 degrees in parts of the Mid-South. Showers are mostly confined to parts of Florida.

In the West, moisture associated with the monsoon (summer rainy season) is contributing to locally heavy showers in the Four Corners region. Warm, dry weather elsewhere favors crop development and fieldwork, including Northwestern small grain harvesting.

During the early- to mid-week period, extreme heat will persist from the central and southern Plains into the Southeast. Heat will briefly build as far north as the southern Corn Belt and the Mid-Atlantic States.

By week’s end, however, shower activity will increase across the central and southern Plains and much of the South, while cooler air will overspread the Midwest and Northeast.

Looking ahead, the 6- to 10-day outlook calls for near- to above-normal temperatures nationwide, except for cooler-than-normal conditions in northern California and the Northwest. Hot weather will be most likely across the interior Southeast. Meanwhile, above-normal rainfall from Montana into the Midwest will contrast with drier-than-normal weather in the south-central U.S.

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