Weather report: Heat dominates across the Plains, Corn Belt
In the West, showers are affecting parts of Arizona and New Mexico. The showers are occurring within a pool of tropical moisture that includes Tropical Storm Juliette, currently moving northwestward along the west coast of Baja California. Elsewhere, beneficial showers continue in the Pacific Northwest, while hot, dry weather is maintaining the threat of wildfire development or expansion in northern California and the interior Northwest.
On the Plains, rainfall is confined to North Dakota. Elsewhere, hot, dry weather continues to increase stress on rangeland, pastures, and immature summer crops, especially in areas with limited soil moisture. Today’s high temperatures will approach or reach 100°F in many locations.
In the Corn Belt, shower activity is limited to the far upper Midwest, including parts of Minnesota and North Dakota. Heat remains most intense across the southwestern half of the Corn Belt, where today’s highs will range from 90 to 100°F. Midwestern heat and dryness are having an adverse effect on filling summer crops.
In the South, dry weather is promoting a gradual return to fieldwork and benefiting immature summer crops in previously waterlogged Southeastern areas. Meanwhile, hot, dry weather in the Mississippi Delta favors summer crop maturation and fieldwork, including initial rice harvest efforts.
Outlook: During the next few days, showers will become more numerous across the East and Midwest. Five-day rainfall totals could reach 1 to 3 inches from the upper Mississippi Valley to New England, while 1- to 2-inch amounts will be common in the Southeast, Southwest, and Pacific Northwest. However, mostly dry weather will persist across the nation’s mid-section, including the southwestern Corn Belt. In addition, heat will continue for several more days across the Plains and Midwest, although cooler air will arrive in the latter region early next week. The NWS 6- to 10-day outlook for September 3-7 calls for above-normal temperatures across the Deep South and from the Pacific Coast to the Plains, while cooler-than-normal conditions will be limited to an area centered on the Ohio Valley and the lower Great Lakes region. Meanwhile, above-normal rainfall in the lower Southeast, New England, and from Arizona to Montana will contrast with drier-than-normal weather across the eastern Plains, the Mid-South, and the Midwest.
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