FPUS63 KDMX 130910 SFPIA IAZ001>099-132100- State Forecast for Iowa National Weather Service Des Moines IA 410 AM CDT Sat Jun 13 2026 .TODAY...Sunny early in the morning then becoming partly cloudy. Chance of thunderstorms. Highs 77 to 83. .TONIGHT...Partly cloudy early in the evening then clearing. Chance of showers and thunderstorms. Lows 50 to 56. .SUNDAY...Clear. Highs in the lower 70s. .MONDAY...Mostly clear. Lows around 50. Highs in the upper 70s. .TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows in the mid 50s. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows 54 to 60. Highs 78 to 86. $$ The State Forecast for Iowa Product (SFP) will be discontinued starting June 29, 2026. A resource document has been created to aid users in this transition and is available at: https://www.weather.gov/media/dmx/RWSResources.pdf.