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.
Late-season heat builds across Iowa Sunday through midweek, with heat indices near 100–103° south, warm nights and periodic thunderstorm chances statewide.
Rain early Monday, drying out by afternoon, before isolated severe storms become possible Tuesday. See storm timing, temperatures and the weekend forecast ahead.
Pleasant weather today gives way to thunderstorms tonight and Tuesday, with severe storms, heavy rain and localized flooding possible across much of Iowa later.
Iowa weather turns quieter Sunday after more storms today, but another round of strong to severe thunderstorms may return Tuesday afternoon and evening again.
Severe storms and flash flooding threaten Iowa Friday evening, with damaging winds, a tornado risk, heavy rain and additional storms possible into Saturday.