National Weather Service United States Department of Commerce

Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

The week will start off on a quiet note. However, this will be fairly short-lived, as another storm system brings showers and storms to the region by Tuesday afternoon through evening. A few strong storms are possible. Thereafter, the rest of the week is looking fairly pleasant and mainly dry.
Shower and storm chances will increase by Tuesday afternoon through evening ahead of a cold front. There is a low risk for severe storms. Confidence is fairly low on the severity of any storms due to the potential for earlier day activity and clouds, which could limit the amount of available storm energy. Stay tuned for updates!
Here are some of the highest 72 hour rainfall totals from across the area with heaviest rains falling across southeast Iowa into adjacent areas of Illinois. These rainfall totals are preliminary.