FPUS63 KDMX 090905 SFPIA IAZ001>099-092100- State Forecast for Iowa National Weather Service Des Moines IA 405 AM CDT Sat May 9 2026 .TODAY...Sunny early in the morning then becoming partly cloudy. Chance of showers. Highs 67 to 79. .TONIGHT...Mostly clear. Lows 37 to 45. .SUNDAY...Clear. Highs 62 to 70. .MONDAY...Mostly clear. Lows 36 to 44. Highs 66 to 78. .TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows 47 to 57. Highs 79 to 85. .WEDNESDAY...Clear. Lows 47 to 53. Highs 69 to 79. $$ 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.