Heat wave conditions again build on the northern Plains
July 21, 2021
Across the Corn Belt, mild, dry weather prevails. Wednesday’s high temperatures should range from 75°F in portions of the Great Lakes region to near 90°F in the southern and western Corn Belt. In drier areas of the western Corn Belt, little or no rain has fallen since at least July 15, leading to concerns for reproductive corn and soybeans.
On the Plains, a heat wave continues in Montana, the Dakotas, and environs. High temperatures could reach 100°F later Wednesday as far north as eastern Montana. Spring-sown crops such as barley and wheat continue to progress through the grain-fill stage of development under highly unfavorable (hot, dry) conditions. Meanwhile on the central and southern Plains, warm, dry weather and generally abundant soil moisture reserves favor summer crop growth.
In the South...
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