| Point Forecast: Grinnell IA 41.75N 92.72W |
Last Update: 12:23 am CDT Jul 16, 2025 |
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| Date | 07/16 | |||||||||||||||||||||||
| Hour (CDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 73 | 72 | 71 | 71 | 71 | 71 | 70 | 71 | 74 | 74 | 77 | 78 | 80 | 81 | 80 | 81 | 80 | 80 | 78 | 77 | 74 | 71 | 68 | 68 |
| Dewpoint (°F) | 68 | 68 | 68 | 67 | 67 | 67 | 68 | 68 | 70 | 71 | 71 | 72 | 72 | 72 | 73 | 73 | 72 | 72 | 70 | 69 | 69 | 69 | 67 | 65 |
| Heat Index (°F) | 77 | 78 | 84 | 85 | 84 | 86 | 84 | 84 | 78 | 77 | ||||||||||||||
| Surface Wind (mph) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 9 | 7 | 7 | 9 | 9 |
| Wind Dir | SSE | SSE | SSE | S | SSE | S | S | S | S | SSW | SSW | WSW | WSW | W | W | W | WNW | WNW | WNW | NW | NNW | NNW | NNW | NNW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 4 | 20 | 34 | 47 | 43 | 55 | 70 | 71 | 76 | 70 | 59 | 60 | 68 | 73 | 72 | 69 | 60 | 59 | 52 | 49 | 46 | 51 | 60 | 62 |
| Precipitation Potential (%) | 0 | 0 | 0 | 1 | 21 | 40 | 43 | 45 | 39 | 32 | 30 | 28 | 38 | 48 | 38 | 28 | 34 | 40 | 37 | 34 | 27 | 20 | 19 | 16 |
| Relative Humidity (%) | 84 | 87 | 90 | 87 | 87 | 87 | 93 | 90 | 87 | 90 | 82 | 82 | 77 | 74 | 79 | 77 | 77 | 77 | 76 | 76 | 84 | 93 | 97 | 90 |
| Rain | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc |
| Thunder | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Temperature (°F) | 67 | 65 | 64 | 63 | 61 | 60 | 60 | 59 | 60 | 62 | 64 | 65 | 67 | 68 | 69 | 70 | 71 | 71 | 70 | 69 | 67 | 65 | 63 | 62 |
| Dewpoint (°F) | 64 | 63 | 61 | 60 | 59 | 58 | 56 | 56 | 57 | 57 | 57 | 58 | 58 | 59 | 59 | 60 | 60 | 60 | 59 | 59 | 59 | 58 | 58 | 58 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 9 | 9 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 5 | 5 | 3 | 3 |
| Wind Dir | N | NNW | N | NNW | NNW | NNW | N | N | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | NE | NE | NE | ENE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 72 | 79 | 76 | 76 | 77 | 72 | 69 | 68 | 68 | 70 | 71 | 70 | 69 | 67 | 65 | 63 | 61 | 54 | 49 | 46 | 41 | 36 | 31 | 29 |
| Precipitation Potential (%) | 14 | 12 | 12 | 12 | 12 | 12 | 12 | 6 | 6 | 6 | 9 | 9 | 9 | 11 | 11 | 11 | 11 | 11 | 11 | 2 | 2 | 2 | 2 | 2 |
| Relative Humidity (%) | 90 | 93 | 90 | 90 | 93 | 93 | 87 | 90 | 90 | 84 | 78 | 77 | 74 | 73 | 70 | 71 | 68 | 69 | 67 | 70 | 75 | 78 | 84 | 87 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
