Much cooler days ahead for the Heartland

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For the remainder of the week, a cold front will remain the focus for widespread, locally severe thunderstorms. The front, currently draped from the Great Lakes region to the southern Rockies, will continue to entrain tropical moisture, leading to event-total precipitation that could reach 2 to 4 inches in the southern Rockies and locally 1… Read more »

Cooler air on the move

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Across the Corn Belt, locally heavy showers stretch from Michigan to Nebraska. Meanwhile, very warm weather across the southern and eastern Corn Belt is promoting corn and soybean maturation. On August 31, corn was 5% fully mature in Illinois, well behind the 5-year average of 24%.   On the Plains, locally heavy rain is occurring… Read more »

Severe Weather Outlook

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The NWS Storm Prediction Center is forecasting a Slight Risk of severe thunderstorms that may produce local damaging winds and marginally severe hail across parts of the Lower Great Lakes and Midwest on Friday afternoon and evening. Convective Outlooks Storm Reports & Summary Page Current Weather Watches & Warnings Map National & Regional Radars

Illinois finishes out10th wettest summer on record

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The 12th wettest August in Illinois finishes out the 10th wettest summer on record. While August was slightly warmer than average, the summer was cooler than average, according to the Illinois State Water Survey. The statewide average precipitation for August was 5.18 inches, 1.59 inches above average. The wettest area of the state was Cook… Read more »

Warm temperatures help Corn Belt crops

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Across the Corn Belt, above-normal temperatures continue to benefit late-developing summer crops. On August 31, corn reaching the denting stage of development was 13 percentage points behind the respective 5-year state averages in Michigan, Minnesota, Pennsylvania, and Wisconsin—and 21 points behind average in North Dakota. Elsewhere, clusters of thunderstorms are developing west of the Mississippi… Read more »

Thunderstorms move through Midwest

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For the remainder of Wednesday, thunderstorms will become more numerous across the upper Midwest, while showers will also occur in southern Texas and the Southeast. During the second half of the week, the interaction between the Southwestern monsoon circulation and a cold front will result in locally heavy showers. Five-day rainfall totals could reach 1… Read more »

A wet pattern continues across the Heartland

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High pressure will slide off the Atlantic Coast, allowing heat and humidity to build east of the Mississippi, accompanied by afternoon showers and thunderstorms. Meanwhile, an upper-air disturbance will produce a more concentrated area of rainfall from the Midwest into the Northeast. Another area of low pressure and its associated cold front will generate showers… Read more »

Heat & storms expanding across the Heartland

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Across the Corn Belt, very warm weather is building into southern corn and soybean production areas, where Wednesday’s high temperatures will exceed 90°. Elsewhere, beneficial showers dot the eastern Corn Belt, while favorably warm weather is aiding late-developing summer crops in the upper Midwest. On the Plains, hot, dry weather is increasing stress on immature… Read more »

Active pattern ahead from the Plains, eastward

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A series of disturbances crossing the northern half of the nation will remain the focus for widespread showers and thunderstorms from the northern Plains to the Mid-Atlantic States, resulting in 5-day rainfall totals of 1 to 3 inches or more. Toward week’s end, a strong cold front will produce a final round of heavy rain,… Read more »

An active pattern to evolve across much of the Heartland

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For the remainder of this week, unsettled, showery weather will cover the majority of the U.S. Rain will be heaviest from the northern Plains into the Mid-Atlantic States, resulting in 1- to 4-inch totals. Meanwhile, showers will become more widespread in the Four Corners States, where rainfall could reach 1 to 3 inches in a… Read more »