FPUS63 KDMX 310905 SFPIA IAZ001>099-312100- State Forecast for Iowa National Weather Service Des Moines IA 405 AM CDT Tue Mar 31 2026 .TODAY...Partly cloudy. Slight chance of showers. Highs 58 to 74. .TONIGHT...Partly cloudy. Slight chance of thunderstorms. Lows 33 to 41. .WEDNESDAY...Cloudy. Rain and slight chance of thunderstorms. Highs 43 to 49. .THURSDAY...Mostly cloudy. Rain and slight chance of thunderstorms. Lows 31 to 41. Highs 45 to 63. .FRIDAY...Partly cloudy. Rain likely and chance of thunderstorms. Lows 30 to 40. Highs 49 to 71. .SATURDAY...Partly cloudy. Chance of rain, snow and slight chance of thunderstorms. Lows 32 to 44. Highs 44 to 54. $$ 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.