National Weather Service United States Department of Commerce

Life-Threatening Flash Flooding in South Central Texas; Heat Continues from the Northern Plains to the Mid-Atlantic

Life-threatening and locally catastrophic flash and urban flooding is expected across portions of south-central Texas through early Friday, with significant river flooding and rapid rises on small streams, arroyos, and typically dry washes expected. A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek. Read More >

The Air Quality Alert has been extended and expanded in area over portions of northern Illinois and northwest Indiana through Thursday night due to unhealthy ozone and wildfire smoke levels at times. Air quality is expected to be at unhealthy levels for everyone but especially for sensitive groups. Consider limiting prolonged outdoor activity.
The hot and humid conditions will continue through the end of the week with the potential for scattered showers and thunderstorm, mainly Friday and Saturday during the afternoon.