In the West, sunny, albeit cooler, weather is promoting fieldwork and crop development. However, dry conditions are maintaining the threat of wildfire development and expansion in parts of the Intermountain West; a red-flag warning is currently in effect for northern California.
On the Plains, locally heavy showers and thunderstorms in central growing areas are benefiting pastures, summer crops, and heading to filling winter wheat. The rain, however, is hampering winter wheat drydown and harvesting. Showers are also developing across southern portions of the region, providing additional drought relief in Texas and Oklahoma.
In the Corn Belt, a slow-moving cold front is generating showers from western Iowa into the upper Midwest. The progress of this front will determine how much rain reaches the central and eastern Corn Belt, where soil moisture remains limited for corn and soybeans.
In the South, showers and thunderstorms linger along the Gulf Coast and in the lower Southeast, providing additional relief from long-term drought. However, more rain is needed across the drought-affected Mid-South for reproductive corn and other summer crops.
Outlook: Rainy weather currently benefiting the western Corn Belt will gradually expand eastward through the weekend, although the amount and coverage of rainfall is expected to diminish upon reaching the Ohio Valley. High pressure will keep much of the Eastern Seaboard unseasonably cool and dry. Except for lingering showers along the Gulf Coast, dryness will also dominate the Southeast, with highs reaching the 90s (°F) in the lower Mississippi Valley. Heat will intensify over the weekend in California and the Southwest, as mostly dry conditions continue from the Rockies to the Pacific Coast. The NWS 6- to 10-day outlook for June 20-24 depicts wet weather along the Atlantic Coast, reaching as far west as the upper Ohio Valley and Great Lakes Region. Drier conditions are expected throughout the central and southern Plains. Above-normal temperatures are forecast for the Four- Corners Region and from the Southeast to the northern Atlantic Coast. Cooler weather is likely along the Pacific Coast.