National Weather Service United States Department of Commerce

Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

A cool front continues to move across the region late this afternoon. It will bring gradually clearing skies this evening and lower humidity through Monday. Another storm system and cool front will move across the area Tuesday afternoon and evening and bring another around of strong to severe storms to the area. High temperatures on Monday and Tuesday will be in the lower to mid 80s.
Thunderstorms are likely Tuesday afternoon into Tuesday night ahead of a passing cold front. Strong to severe storms are possible with damaging winds the primary threat. Stay tuned for updates over the next couple of days.
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.