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Weather Forecast Looks Good for Rest of #Grow18

Overall, the forecast looks promising for corn and soybeans moving into the final stretch of the growing season.

“For August, conditions look generally favorable with temperatures near or slightly above normal and somewhat variable rainfall,” says Dale Mohler, senior Accuweather agricultural meteorologist. “Most of the Corn Belt will have normal rainfall or close to it in August. There may be a few spots that are a little dry or wet, but there aren’t any extreme temperatures or rainfall.”

The cooler-than-average temperatures that have settled across the Midwest this week will disappear as the calendar flips to August. Temperatures will creep back up into the middle and upper 80s, at or slightly above average for this time of year. The temperature rise will continue with temps the week of August 6 climbing slightly above average, says Mohler.

Thankfully, the warmer temperatures will be accompanied by rain. “Rain is pretty consistent throughout the next two weeks,” says Mohler.

A system moving through this weekend and early next week will bring rain to the southern half of the Midwest from Nebraska through Iowa into southern Michigan. Rainfall will range from ¾ to 1.5 inches with 75% coverage. Later next week, a second system will bring more widespread coverage across the entire Midwest with ½ to 1 inch in the northwest and ¾ to 2 inches in the southeast.

“Soybeans are in the most moisture-sensitive stage now until the middle of August,” says Mohler. “For most areas it looks like they’ll receive adequate rains over the next two weeks.”

Dry Patches

There are a few areas of concern where little rain fell in July, including southern Iowa, parts of Illinois, western Indiana, northern Ohio, and southern Michigan.

“Some of these places are living off of June’s rainfall,” says Mohler. “A lot of these areas had enough rain in June, so they aren’t in bad shape. They are hanging on and will get rains over the next few weeks that will be helpful.

“If we were in a pattern with no rain, crops would continue to get stressed,” he adds. “But you can live through dry spells if you have rain in the forecast.”

One area that has had better growing conditions than originally forecast is the northern Plains. “Our concern was that dryness in the northern Plains would spread west. Instead, there have been good rains with good crop conditions in Minnesota and eastern South Dakota,” says Mohler.

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