| Point Forecast: Grinnell IA 41.75N 92.72W |
Last Update: 2:48 am CDT Sep 25, 2024 |
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| Date | 09/25 | 09/26 | ||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 11 | 11 | 11 | 10 | 10 | 11 | 14 | 18 | 21 | 23 | 24 | 24 | 26 | 24 | 24 | 23 | 21 | 19 | 17 | 16 | 16 | 15 | 14 | 13 |
| Dewpoint (°C) | 11 | 11 | 11 | 10 | 10 | 11 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
| Heat Index (°C) | 24 | 24 | 26 | 24 | 24 | |||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 5 |
| Wind Dir | NW | NW | NNW | NNW | NNW | NNW | NNW | N | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | N | NNE | NNE | NNE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 4 | 12 | 9 | 5 | 5 | 6 | 3 | 2 | 2 | 3 | 3 | 4 | 4 | 3 | 3 | 4 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Precipitation Potential (%) | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 100 | 100 | 100 | 99 | 100 | 96 | 86 | 70 | 59 | 49 | 46 | 43 | 39 | 42 | 43 | 46 | 53 | 65 | 70 | 72 | 75 | 75 | 77 | 83 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 09/27 | |||||||||||||||||||||||
| Hour (CDT) | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 |
| Temperature (°C) | 13 | 12 | 12 | 12 | 11 | 13 | 15 | 20 | 22 | 23 | 25 | 26 | 26 | 27 | 25 | 24 | 23 | 20 | 18 | 16 | 15 | 14 | 14 | 13 |
| Dewpoint (°C) | 11 | 10 | 10 | 10 | 10 | 11 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 |
| Heat Index (°C) | 25 | 26 | 26 | 27 | 25 | 24 | ||||||||||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 3 | 5 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | NE | NE | NE | NE | NE | ENE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | ENE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 7 | 7 | 4 | 7 | 9 | 12 | 14 | 15 | 17 | 19 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 86 | 86 | 89 | 89 | 93 | 90 | 83 | 63 | 53 | 50 | 43 | 42 | 41 | 39 | 43 | 46 | 49 | 59 | 67 | 75 | 80 | 80 | 83 | 86 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
