Hot and humid weather builds across Iowa this week, with heat index values near 100 and scattered storm chances, especially across northern Iowa Tuesday night.
Extreme Heat Warnings cover much of Iowa as heat index values reach 100 to 110 degrees. Here's the latest Iowa forecast and what to expect through the Fourth of July holiday week.
All of Iowa is under a WPC hazardous heat outlook as heat index values of 100° to 107° become increasingly likely Sunday through Tuesday. See the latest forecast and impacts.