FPUS63 KDMX 230905 SFPIA IAZ001>099-232100- State Forecast for Iowa National Weather Service Des Moines IA 405 AM CDT Thu Apr 23 2026 .TODAY...Partly cloudy. Chance of thunderstorms and areas of drizzle. Highs 72 to 78. .TONIGHT...Partly cloudy. Showers and chance of thunderstorms. Lows 41 to 53. .FRIDAY...Clear. Highs 61 to 67. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the lower 40s. Highs 60 to 68. .SUNDAY...Partly cloudy. Chance of thunderstorms. Lows 43 to 49. Highs 63 to 69. .MONDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows 47 to 55. Highs 59 to 69. $$ 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.