FPUS63 KDMX 122106 SFPIA IAZ001>099-131000- State Forecast for Iowa National Weather Service Des Moines IA 405 PM CDT Tue May 12 2026 .TONIGHT...Clear. Lows 46 to 52. .WEDNESDAY...Sunny. Highs 71 to 79. .WEDNESDAY NIGHT...Clear. Lows 43 to 51. .THURSDAY...Mostly sunny until late afternoon then becoming partly cloudy. Slight chance of thunderstorms. Highs 75 to 81. .FRIDAY...Clear. Chance of showers and slight chance of thunderstorms. Lows 52 to 58. Highs 85 to 91. .SATURDAY...Mostly clear. Chance of thunderstorms. Lows 52 to 60. Highs 83 to 89. .SUNDAY...Partly cloudy. Chance of thunderstorms. Lows 54 to 62. Highs 83 to 89. $$ 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.