National Weather Service United States Department of Commerce

Dangerous Heat Wave Continues; Enhanced Area of Severe Thunderstorms Today

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Widespread moderate to extreme HeatRisk is forecast. Scattered wind damage and large hail are expected from severe thunderstorms impacting parts of Nebraska into Iowa today. Read More >

While thunderstorms are expected to continue over the next few hours across central Iowa, the main threat for severe weather is expected after 5pm as a line of showers and storms develops over north central to central Iowa. Hazards such as damaging winds and hail are possible, while a few tornadoes cannot be ruled out over western Iowa. Repeated thunderstorms over the same area will increase flash flooding potential, especially where several rounds of rain have already occurred.
Hot and humid conditions remain today and will linger into the holiday weekend, especially in far southern Iowa. Please make sure to stay hydrated, take frequent breaks, and never leave pets or children in an unattended vehicle!
Active weather continues into the holiday weekend with periodic storm chances Friday and Saturday. Hot and humid conditions will also persist, with heat indices in the 90s to low 100s through the weekend.