


State Forecast
Issued by NWS
Issued by NWS
354 FPUS63 KDMX 180901 SFPIA IAZ001>099-182100- State Forecast for Iowa National Weather Service Des Moines IA 401 AM CDT Mon Aug 18 2025 .TODAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Highs 85 to 91. .TONIGHT...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows around 70. .TUESDAY...Partly cloudy until late afternoon then clearing. Slight chance of thunderstorms. Highs 82 to 88. .WEDNESDAY...Clear. Lows in the mid 60s. Highs in the lower 80s. .THURSDAY...Clear. Lows in the upper 50s. Highs in the lower 80s. .FRIDAY...Mostly clear. Slight chance of thunderstorms. 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.