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| Point Forecast: Grinnell IA 41.75N 92.72W |
Last Update: 11:36 am CDT Aug 2, 2021 |
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| Date | 08/02 | 08/03 | ||||||||||||||||||||||
| Hour (CDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 22 | 21 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 15 | 17 | 20 | 22 | 24 | 25 |
| Dewpoint (°C) | 12 | 13 | 12 | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 14 |
| Heat Index (°C) | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 25 | |||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 2 | 2 | 3 | 2 | 3 | 3 | 3 | 3 |
| Wind Dir | NNE | NNE | NNE | NE | E | ESE | SSE | S | S | S | S | S | S | S | SSW | SW | WSW | W | W | W | WNW | WNW | WNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 38 | 35 | 49 | 52 | 41 | 37 | 21 | 17 | 30 | 17 | 12 | 12 | 12 | 12 | 11 | 11 | 9 | 10 | 7 | 6 | 5 | 6 | 18 | 29 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 48 | 50 | 46 | 47 | 48 | 48 | 54 | 64 | 68 | 78 | 78 | 81 | 84 | 84 | 87 | 87 | 93 | 93 | 93 | 81 | 70 | 64 | 55 | 52 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/04 | |||||||||||||||||||||||
| Hour (CDT) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |
| Temperature (°C) | 26 | 26 | 27 | 27 | 26 | 26 | 24 | 23 | 21 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 16 | 18 | 21 | 23 | 24 | 26 |
| Dewpoint (°C) | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 16 | 17 | 17 | 17 |
| Heat Index (°C) | 26 | 26 | 27 | 27 | 26 | 26 | 24 | 24 | 26 | |||||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 5 | 6 |
| Wind Dir | NNE | E | SE | SE | SSE | SSE | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 35 | 34 | 29 | 26 | 25 | 26 | 22 | 21 | 18 | 16 | 15 | 14 | 13 | 14 | 17 | 18 | 18 | 17 | 16 | 15 | 16 | 15 | 17 | 21 |
| Precipitation Potential (%) | 2 | 2 | 2 | 2 | 2 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Relative Humidity (%) | 50 | 47 | 45 | 47 | 49 | 52 | 60 | 68 | 76 | 84 | 90 | 90 | 90 | 93 | 93 | 96 | 96 | 96 | 93 | 84 | 76 | 68 | 62 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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