Des Moines, Iowa – Thunderstorms could interrupt Sunday afternoon plans across Des Moines as heat and humidity return, ushering in an unsettled pattern that stretches into midweek.
According to the National Weather Service in Des Moines, scattered thunderstorms are possible Sunday afternoon and evening, especially across northern Iowa, with impacts reaching the Des Moines metro later in the day. While the potential for severe weather remains low, lightning and brief downpours could impact outdoor events and travel along I-35, I-80, and U.S. 69.
Sunday’s high will push to 86°F under mostly sunny skies before clouds and instability move in after 3 p.m. Winds will shift from the south at 6 mph, fueling moisture across central Iowa. Overnight lows will hover around 68°F.
Heading into next week, more widespread thunderstorms are expected Tuesday and Wednesday, with a 50% chance of rain and storms both days. Highs will climb near 88°F on Tuesday before slightly dipping into the mid-80s Wednesday and Thursday. Lows will remain seasonably warm — in the upper 60s to low 70s.
5-Day Outlook:
- Sunday: Sunny early, storms possible late. High: 86°F
- Monday: Mostly sunny. High: 89°F
- Tuesday: Chance of PM storms. High: 88°F | Rain Chance: 30%
- Wednesday: Thunderstorms likely after 1 p.m. High: 85°F | Rain Chance: 50%
- Thursday: Mostly sunny, drier. High: 82°F
Prepare for summer disruptions by checking your local alerts, limiting outdoor work during storm hours, and keeping your phone charged in case of outages.
Storm chances remain through midweek — stay weather-aware as updates are issued.