What's more, The Weather Channel is forecasting an "atmospheric clog", better known as an "omega block" pattern, to set up over the country this weekend into next week.
The weather service said there is a possibility of flooding along area rivers, creeks and streams along and south of the Missouri River in the region.
The agency's North Little Rock said storms will enter central Arkansas by around 11:30 a.m., bringing concerns of frequent lightning, heavy rainfall and localized flooding.
Flooding is the most common and widespread of all weather-related natural disasters, according to the National Weather Service, and flash flooding is one of the most common.
Local first-responders gathered at Seneca County Emergency Operations Center for a briefing from National Weather Service Wednesday afternoon.More news: World's heaviest woman leaves hospital 715 pounds lighter
More news: Cinco de Mayo in Trump era leaves Mexican-Americans torn
More news: India calls satellite 'gift to South Asia', Pakistan says no thanks
While a shower can't be ruled out on Sunday, Sunday will likely have even more "dry" time than Saturday.
The approaching low-pressure system will also cause high temperatures to fall to 15 to 25 degrees below average on Sunday. A northeast wind of 8 to 13 miles per hour is expected. Southwest wind 6 to 9 miles per hour. Amounts may be higher in isolated thunderstorms. Chance of precipitation is 60 percent.
Saturday. Mostly sunny, with a high near 71.
A slight chance of thunderstorms is in the forecast from Saturday night through Monday.
Friday: Partly sunny, with a high near 61.