| NWS Forecast for: Grinnell IA Issued by: National Weather Service Des Moines, IA Last Update: 10:36 pm CDT Jul 13, 2025 | |
Tonight: Mostly clear, with a low around 62. Light south southeast wind. Monday: Sunny, with a high near 87. South southwest wind 3 to 6 mph. Monday Night: Clear, with a low around 65. Calm wind becoming south around 5 mph after midnight. Tuesday: Sunny, with a high near 87. South wind 5 to 7 mph. Tuesday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 68. South southeast wind around 6 mph. Chance of precipitation is 20%. Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Thursday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Thursday Night: Mostly cloudy, with a low around 62. Friday: Partly sunny, with a high near 79. Friday Night: Mostly cloudy, with a low around 65. Saturday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Sunday: Partly sunny, with a high near 84. | |
| Grinnell IA 41.75°N 92.72°W | |
Visit your local NWS office at: https://www.weather.gov/desmoines |