FPUS63 KDMX 190901 SFPIA IAZ001>099-192100- State Forecast for Iowa National Weather Service Des Moines IA 401 AM CDT Mon May 19 2025 .TODAY...Cloudy. Chance of showers and slight chance of thunderstorms. Highs 58 to 68. .TONIGHT...Cloudy. Showers and chance of thunderstorms. Lows 45 to 55. .TUESDAY...Cloudy. Showers and slight chance of thunderstorms. Highs 52 to 66. .WEDNESDAY...Partly cloudy. Chance of showers. Lows 41 to 47. Highs 53 to 59. .THURSDAY...Partly cloudy. Slight chance of showers. Lows 39 to 45. Highs in the mid 60s. .FRIDAY...Mostly clear. Slight chance of showers. Lows in the lower 40s. Highs in the upper 60s. $$ 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.