| National Weather Service Forecast for:
Grinnell IA Issued by: National Weather Service Des Moines, IA |
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| Updated: 9:51 pm CST Nov 9, 2026 | ||||||||||||||||||
| Grinnell | ||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 38. North wind 3 to 5 mph. |
| Tuesday |
Sunny, with a high near 61. Light north wind. |
| Tuesday Night |
Partly cloudy, with a low around 42. Light south southeast wind. |
| Veterans Day |
A 20 percent chance of showers before 8am. Sunny, with a high near 55. Breezy, with a light and variable wind becoming north northwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph. |
| Wednesday Night |
Mostly clear, with a low around 34. North northwest wind around 8 mph. |
| Thursday |
Mostly sunny, with a high near 45. |
| Thursday Night |
Partly cloudy, with a low around 26. |
| Friday |
Sunny, with a high near 44. |
| Friday Night |
Mostly clear, with a low around 26. |
| Saturday |
Sunny, with a high near 48. |
| Saturday Night |
Mostly clear, with a low around 32. |
| Sunday |
Mostly sunny, with a high near 53. |
| Sunday Night |
Partly cloudy, with a low around 41. |
| Monday |
Mostly sunny, with a high near 58. |
Forecast from NOAA-NWS for Grinnell IA.