FPUS63 KDMX 282205 SFPIA IAZ001>099-011100- State Forecast for Iowa National Weather Service Des Moines IA 405 PM CST Sat Feb 28 2026 .TONIGHT...Partly cloudy. Lows 15 TO 20. .SUNDAY...Partly cloudy early in the morning then becoming mostly cloudy. Slight chance of snow. Highs 28 to 36. .SUNDAY NIGHT...Partly cloudy. Chance of snow. Lows 19 to 25. .MONDAY...Mostly cloudy. Chance of rain. Highs in the lower 40s. .TUESDAY...Mostly cloudy. Chance of rain. Lows in the lower 30s. Highs 45 to 51. .WEDNESDAY...Mostly clear. Slight chance of rain. Lows 29 to 37. Highs 48 to 56. .THURSDAY...Partly cloudy. Slight chance of rain and thunderstorms. Lows 32 to 38. Highs 55 to 65. $$ 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.