FPUS63 KDMX 132105 SFPIA IAZ001>099-141000- State Forecast for Iowa National Weather Service Des Moines IA 405 PM CDT Wed May 13 2026 .TONIGHT...Clear. Lows 43 to 51. .THURSDAY...Mostly sunny. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy. Slight chance of thunderstorms. Lows 52 to 58. .FRIDAY...Clear. Chance of showers and slight chance of thunderstorms. Highs 84 to 90. .SATURDAY...Mostly clear. Chance of thunderstorms. Lows 53 to 61. Highs in the mid 80s. .SUNDAY...Partly cloudy. Chance of thunderstorms. Lows 53 to 61. Highs in the lower 80s. .MONDAY...Partly cloudy. Chance of thunderstorms. Lows 59 to 69. Highs 78 to 86. $$ 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.