FPUS63 KDMX 220905 SFPIA IAZ001>099-222100- State Forecast for Iowa National Weather Service Des Moines IA 405 AM CDT Sun Mar 22 2026 .TODAY...Partly cloudy early in the morning then becoming mostly cloudy. Highs 47 to 59. .TONIGHT...Clear. Lows in the upper 20s. .MONDAY...Mostly sunny until late afternoon then becoming partly cloudy. Highs in the lower 50s. .TUESDAY...Partly cloudy. Lows in the mid 30s. Highs 59 to 65. .WEDNESDAY...Partly cloudy. Lows in the mid 40s. Highs 64 to 76. .THURSDAY...Partly cloudy. Slight chance of rain. Lows 44 to 52. Highs 59 to 73. $$ 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.