FPUS63 KDMX 152105 SFPIA IAZ001>099-161000- State Forecast for Iowa National Weather Service Des Moines IA 405 PM CDT Mon Jun 15 2026 .TONIGHT...Mostly clear. Slight chance of thunderstorms. Lows 53 to 59. .TUESDAY...Sunny. Highs 73 to 79. .TUESDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows 54 to 62. .WEDNESDAY...Partly cloudy until late afternoon then clearing. Showers and chance of thunderstorms. Highs 77 to 89. .THURSDAY...Mostly clear. Lows 53 to 59. Highs 72 to 78. .JUNETEENTH...Clear. Lows in the lower 50s. Highs 75 to 83. .SATURDAY...Partly cloudy. Chance of thunderstorms. Lows 55 to 61. Highs 77 to 85. $$ The State Forecast for Iowa Product (SFP) will be discontinued starting June 29, 2026. A resource document has been created to aid users in this transition and is available at: https://www.weather.gov/media/dmx/RWSResources.pdf.