USDA: Cooler Temps Expected Mid- to Late-Week for the Midwest

July 24, 2012 04:01 AM

USDA's Joint Ag Weather Facility says in the Corn Belt, another day of crop-damaging heat is underway across the southern half of the region. "On Monday, high temperatures soared to 102°F in Indianapolis, Indiana, and 105°F in locations such as Des Moines, Iowa, and Quincy, Illinois," USDA elaborates. On July 22, virtually all of the topsoil moisture was rated very short to short in Missouri and Illinois (both 99%), along with Iowa (97%), Nebraska (95%), Indiana (93%), and Ohio (90%), according to USDA. Currently, a band of beneficial but locally severe thunderstorms stretches from the Dakotas to Ohio, USDA reports.

In the West, USDA says the monsoon circulation continues to generate isolated showers, mainly from Arizona into the Intermountain region. "Near- or slightly below-normal temperatures cover most of the West," USDA reports.

On the Plains, USDA says showers associated with a cold front signal a transition to cooler weather across northern areas. "Farther south, dry weather and crop-withering temperatures persist on the central and southern Plains," USDA explains. On July 22, nearly all of the topsoil moisture was rated very short to short in Oklahoma (96%), Nebraska (95%), Kansas (95%), Colorado (87%), and South Dakota (87%), according to USDA.

In the South, hot, mostly dry weather prevails, USDA reports. "Isolated showers are generally confined to areas along the Gulf Coast," USDA adds. The focus for agricultural drought remains the Mid-South, including Arkansas, where topsoil moisture was rated 85% very short to short on July 22, USDA explains.

In its outlook, USDA says across the Plains and Midwest, a cold front’s passage will provide significant mid- to late-week relief from extreme heat. "In fact, below-normal temperatures can be expected across the northern Plains on July 25-26 and much of the Midwest on July 27-28," USDA explains. During the weekend, however, heat will begin to "reload" across the Plains, USDA reports. "Five-day rainfall totals could reach 1 to 3 inches, with locally higher amounts, across the northern and eastern Corn Belt," USDA adds. However, only light showers will occur across the central and southern Plains and the southwestern Corn Belt, according to USDA.


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