Des Moines, Iowa – Sweltering heat is tightening its grip on central Iowa Monday as heat index values near 105°F—enough to trigger health risks and local advisories. A Heat Advisory remains in effect until 5 p.m. CDT Monday, with Des Moines, Pella, Indianola, and surrounding counties urged to limit outdoor activity and hydrate frequently.
According to the National Weather Service in Des Moines, high humidity and temperatures nearing 93°F will continue to bake areas across Polk, Jasper, Marion, Warren, Lucas, and Madison counties through Monday afternoon. Drivers along Interstate 35 should remain alert for rising cabin temps and heat-stressed vehicles during afternoon commutes.
Relief may come with incoming storm chances beginning Tuesday afternoon, but not without complications. Thunderstorms could bring heavy rainfall and gusty winds to central Iowa by late Tuesday evening, continuing into Wednesday morning. Rain totals could reach a quarter to half an inch in some areas.
Five-Day Des Moines Weather Outlook:
- Monday (June 23): Sunny, high 93°F. Heat index near 101°. Storms possible late.
- Tuesday: Showers and storms likely by afternoon, high 83°F.
- Wednesday: 40% chance of storms, high 90°F.
- Thursday: Scattered thunderstorms, high near 90°F.
- Friday: Mostly sunny, highs around 90°F.
