FPUS63 KDMX 222105 SFPIA IAZ001>099-231000- State Forecast for Iowa National Weather Service Des Moines IA 405 PM CDT Wed Apr 22 2026 .TONIGHT...Mostly clear. Lows in the upper 50s. .THURSDAY...Mostly cloudy. Chance of thunderstorms. Highs 70 to 78. .THURSDAY NIGHT...Mostly cloudy. Showers and chance of thunderstorms. Lows 44 to 56. .FRIDAY...Mostly sunny until late afternoon then becoming clear. Slight chance of showers. Highs 62 to 68. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the lower 40s. Highs 60 to 68. .SUNDAY...Partly cloudy. Chance of thunderstorms. Lows in the mid 40s. Highs 63 to 69. .MONDAY...Mostly cloudy. Showers likely and slight chance of thunderstorms. Lows 46 to 54. Highs 58 to 68. $$ 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.