


NWS Forecast for: Grinnell IA Issued by: National Weather Service Des Moines, IA Last Update: 12:37 pm CDT Jul 13, 2025 | |
This Afternoon: Sunny, with a high near 81. Southwest wind around 5 mph. Tonight: Mostly clear, with a low around 64. Light south wind. Monday: Sunny, with a high near 87. Southwest wind 3 to 6 mph. Monday Night: Mostly clear, with a low around 66. Calm wind becoming south around 5 mph after midnight. Tuesday: Sunny, with a high near 87. South wind 5 to 8 mph. Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62. Thursday: Mostly sunny, with a high near 78. Thursday Night: Partly cloudy, with a low around 59. Friday: Mostly sunny, with a high near 78. Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 64. Saturday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. | |
Grinnell IA 41.75°N 92.72°W | |
Visit your local NWS office at: https://www.weather.gov/desmoines |