


State Forecast
Issued by NWS
Issued by NWS
967 FPUS63 KDMX 172102 SFPIA IAZ001>099-181000- State Forecast for Iowa National Weather Service Des Moines IA 402 PM CDT Sun Aug 17 2025 .TONIGHT...Mostly clear. Chance of thunderstorms. Lows in the lower 70s. .MONDAY...Partly cloudy. Slight chance of thunderstorms. Highs 85 to 91. .MONDAY NIGHT...Partly cloudy. Slight chance of thunderstorms. Lows in the upper 60s. .TUESDAY...Partly cloudy until late afternoon then clearing. Slight chance of thunderstorms. Highs 82 to 88. .WEDNESDAY...Clear. Lows 60 to 66. Highs in the lower 80s. .THURSDAY...Clear. Lows around 60. Highs in the lower 80s. .FRIDAY...Mostly clear. Lows around 60. Highs in the lower 80s. $$ 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.