| Point Forecast: Polk City IA 41.78N 93.71W |
Last Update: 6:11 am CDT Aug 7, 2026 |
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| Date | 08/07 | 08/08 | ||||||||||||||||||||||
| Hour (CDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°C) | 18 | 19 | 21 | 22 | 24 | 26 | 27 | 28 | 29 | 29 | 30 | 29 | 28 | 28 | 26 | 24 | 23 | 22 | 22 | 21 | 20 | 19 | 18 | 18 |
| Dewpoint (°C) | 18 | 19 | 21 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 18 | 17 | 16 |
| Heat Index (°C) | 24 | 26 | 31 | 33 | 34 | 34 | 36 | 33 | 32 | 32 | 26 | 24 | ||||||||||||
| Surface Wind (mph) | 3 | 3 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 6 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | S | S | S | SSW | S | SSW | SSW | SSW | SSW | SW | WSW | W | SW | SSW | SSW | WNW | W | NW | NNW | NNW | N | N | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 57 | 60 | 63 | 69 | 67 | 58 | 62 | 54 | 58 | 60 | 64 | 64 | 64 | 42 | 37 | 35 | 43 | 40 | 36 | 35 | 35 | 35 | 37 | 38 |
| Precipitation Potential (%) | 1 | 1 | 2 | 1 | 2 | 3 | 12 | 25 | 33 | 33 | 33 | 32 | 35 | 25 | 12 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 100 | 100 | 100 | 97 | 94 | 91 | 82 | 80 | 77 | 75 | 72 | 74 | 77 | 77 | 85 | 87 | 90 | 93 | 90 | 90 | 93 | 90 | 93 | 90 |
| Rain | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 08/09 | |||||||||||||||||||||||
| Hour (CDT) | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 |
| Temperature (°C) | 17 | 17 | 18 | 21 | 23 | 25 | 26 | 27 | 28 | 28 | 29 | 28 | 28 | 28 | 26 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 |
| Dewpoint (°C) | 16 | 16 | 17 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Heat Index (°C) | 25 | 26 | 28 | 29 | 29 | 31 | 29 | 30 | 30 | 26 | 24 | |||||||||||||
| Surface Wind (mph) | 2 | 2 | 2 | 3 | 3 | 6 | 6 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 |
| Wind Dir | N | N | NE | ENE | E | E | E | ESE | ESE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SE | SE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 42 | 45 | 45 | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 38 | 55 | 38 | 42 | 45 | 49 | 52 | 56 | 61 | 67 | 72 | 61 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 7 | 10 | 10 | 11 | 12 | 54 | 54 | 54 | 54 | 54 | 54 | 76 | 76 | 76 | 76 | 76 |
| Relative Humidity (%) | 90 | 90 | 93 | 84 | 76 | 69 | 64 | 63 | 63 | 63 | 61 | 65 | 67 | 69 | 76 | 79 | 84 | 87 | 93 | 93 | 97 | 93 | 97 | 100 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc |
