| NWS Forecast for: Grundy Center IA Issued by: National Weather Service Des Moines, IA Last Update: 7:32 pm CDT May 13, 2026 |  |
| Tonight: Clear, with a low around 45. North northeast wind around 6 mph becoming calm. Thursday: Increasing clouds, with a high near 77. Windy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 28 mph. Thursday Night: A 20 percent chance of showers after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 55. Breezy, with a south wind 11 to 17 mph, with gusts as high as 24 mph. Friday: Sunny, with a high near 86. South southwest wind 8 to 10 mph. Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly clear, with a low around 56. South wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56. Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Windy. Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Windy. Chance of precipitation is 40%. Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Windy. Chance of precipitation is 60%. Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Windy. Chance of precipitation is 60%. Tuesday: Partly sunny, with a high near 70. Tuesday Night: Mostly cloudy, with a low around 48. Wednesday: Mostly sunny, with a high near 71. | |
| Grundy Center IA 42.36°N 92.76°W | |
Visit your local NWS office at: https://www.weather.gov/desmoines |
