| 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 17. Calm wind. Monday: Sunny, with a high near 31. South southwest wind 5 to 10 km/h. Monday Night: Clear, with a low around 18. South wind 3 to 8 km/h. Tuesday: Sunny, with a high near 31. South wind 8 to 11 km/h. 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 20. South southeast wind 8 to 10 km/h. Chance of precipitation is 20%. Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 30. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms. Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Thursday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 26. Thursday Night: Mostly cloudy, with a low around 17. Friday: Partly sunny, with a high near 26. Friday Night: Mostly cloudy, with a low around 18. Saturday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 28. Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Sunday: Partly sunny, with a high near 29. | |
| Grinnell IA 41.75°N 92.72°W | |
Visit your local NWS office at: https://www.weather.gov/desmoines |
