In the West, wildfire development remains a threat—under a hot, dry weather regime—in the northern Intermountain region, where several large fires are already burning. However, hot, dry weather also favors Northwestern small grain harvesting. In contrast, scattered showers associated with the monsoon circulation dot the Southwest.

On the Plains, scattered showers are mostly confined to northern Texas. Meanwhile, much cooler air has spread as far south as the northern panhandle of Texas. In northern Montana, this morning’s low temperatures generally ranged from 35 to 40°F. Some hot weather lingers, however, across central and southern Texas.

In the Corn Belt, showers and thunderstorms in the vicinity of a strong cold front are providing much-needed moisture for pastures and soybeans across parts of the upper Midwest. Markedly cooler air trails the cold front, while a final day of warmth prevails in the eastern Corn Belt.

In the South, hot weather favors a rapid pace of crop development. Isolated showers are confined to the Deep South.

Outlook: An autumn-like cold front currently crossing the Midwest will drive deep into the South by week’s end. Showers and thunderstorms in the vicinity of the cold front will be generally an inch or less in the Midwest, but 1- to 3-inch totals can be expected from the southern Plains into the Southeast. In the front’s wake, cool, dry weather will prevail into early next week. Elsewhere, hot, dry weather will continue in the Northwest, while isolated showers will affect the Southwest. The NWS 6- to 10-day outlook for August 21-25 calls for near- to below-normal temperatures nationwide, except for some hot conditions across the interior West. Meanwhile, near- to belownormal rainfall across the western two-thirds of the U.S. will contrast with wetter-than-normal weather along and east of a line from coastal Texas to Lake Erie.