| Point Forecast: Marion IA 42.04N 91.6W (Elev. 245 m) |
Last Update: 6:31 pm CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (CDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 27 | 26 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 22 | 23 | 24 | 26 | 27 | 28 | 28 | 29 | 29 | 28 | 28 | 27 | 26 |
| Dewpoint (°C) | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 |
| Heat Index (°C) | 29 | 26 | 24 | 24 | 24 | 26 | 29 | 31 | 32 | 33 | 34 | 32 | 31 | 29 | 26 | |||||||||
| Surface Wind (mph) | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 6 |
| Wind Dir | S | SE | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | W | W | W | W | W |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 12 | 14 | 10 | 15 | 14 | 8 | 10 | 25 | 35 | 27 | 39 | 50 | 49 | 48 | 47 | 49 | 48 | 69 | 54 | 55 | 58 | 59 | 55 | 33 |
| Precipitation Potential (%) | 2 | 2 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 3 | 3 | 11 | 12 | 13 | 20 | 26 | 40 | 53 | 53 | 52 | 52 | 51 | 52 | 53 |
| Relative Humidity (%) | 73 | 79 | 85 | 84 | 87 | 87 | 90 | 93 | 97 | 97 | 100 | 97 | 93 | 90 | 82 | 82 | 77 | 74 | 72 | 70 | 72 | 70 | 74 | 79 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (CDT) | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Temperature (°C) | 24 | 23 | 22 | 21 | 21 | 21 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 21 | 21 | 22 | 22 | 22 | 22 | 21 |
| Dewpoint (°C) | 22 | 21 | 21 | 20 | 19 | 18 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Heat Index (°C) | 24 | |||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 |
| Wind Dir | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | N | N | NE | NE |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 50 | 36 | 47 | 38 | 55 | 72 | 72 | 71 | 71 | 74 | 78 | 81 | 80 | 79 | 78 | 77 | 76 | 75 | 73 | 70 | 68 | 60 | 51 | 43 |
| Precipitation Potential (%) | 53 | 53 | 53 | 53 | 53 | 29 | 29 | 29 | 29 | 29 | 29 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 3 |
| Relative Humidity (%) | 85 | 87 | 90 | 93 | 93 | 87 | 87 | 87 | 90 | 90 | 90 | 90 | 90 | 87 | 84 | 81 | 78 | 76 | 73 | 71 | 71 | 71 | 68 | 71 |
| Rain | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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