FPUS63 KDMX 312106 SFPIA IAZ001>099-011000- State Forecast for Iowa National Weather Service Des Moines IA 405 PM CDT Sun May 31 2026 .TONIGHT...Partly cloudy. Slight chance of thunderstorms. Lows around 60. .MONDAY...Partly cloudy early in the morning then clearing. Highs in the lower 80s. .MONDAY NIGHT...Mostly clear. Lows 54 to 60. .TUESDAY...Mostly clear. Highs in the lower 80s. .WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. .THURSDAY...Partly cloudy. Chance of thunderstorms. Lows around 60. Highs 80 to 88. .FRIDAY...Partly cloudy. Chance of thunderstorms. Lows in the lower 60s. Highs in the mid 80s. $$ This forecast covers all of Iowa and is updated twice daily. Broad ranges in temperature depict high variability across the state. For location specific forecasts, please visit www.weather.gov. Please provide feedback on this product to nws.desmoines@noaa.gov.