| Point Forecast: Harpers Ferry IA 43.2N 91.14W |
Last Update: 2:43 am CDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| 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 (°F) | 69 | 68 | 67 | 67 | 68 | 72 | 77 | 80 | 83 | 84 | 87 | 87 | 89 | 90 | 88 | 87 | 86 | 83 | 79 | 77 | 74 | 73 | 72 | 72 |
| Dewpoint (°F) | 67 | 66 | 66 | 65 | 67 | 69 | 71 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 70 | 69 | 70 | 69 |
| Heat Index (°F) | 77 | 84 | 88 | 89 | 93 | 93 | 95 | 96 | 94 | 93 | 91 | 87 | 79 | 77 | ||||||||||
| Surface Wind (mph) | 3 | 3 | 2 | 3 | 2 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 5 | 2 | 3 | 2 | 3 | 3 | 3 | 3 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 8 | 9 | 14 | 18 | 11 | 7 | 5 | 3 | 4 | 12 | 11 | 9 | 9 | 15 | 9 | 11 | 20 | 18 | 13 | 20 | 19 | 21 | 27 | 34 |
| Precipitation Potential (%) | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 94 | 94 | 96 | 92 | 96 | 91 | 83 | 77 | 67 | 65 | 59 | 59 | 55 | 54 | 57 | 58 | 62 | 68 | 75 | 80 | 86 | 86 | 92 | 89 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| 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 (°F) | 71 | 71 | 71 | 70 | 71 | 74 | 78 | 81 | 82 | 82 | 82 | 81 | 80 | 79 | 78 | 77 | 76 | 74 | 71 | 69 | 67 | 66 | 65 | 64 |
| Dewpoint (°F) | 70 | 69 | 69 | 69 | 71 | 72 | 74 | 75 | 75 | 74 | 74 | 73 | 73 | 72 | 72 | 71 | 70 | 69 | 67 | 66 | 65 | 64 | 63 | 62 |
| Heat Index (°F) | 78 | 87 | 89 | 88 | 88 | 86 | 84 | 79 | 78 | 77 | 76 | |||||||||||||
| Surface Wind (mph) | 3 | 2 | 3 | 3 | 2 | 2 | 2 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 |
| Wind Dir | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | W | NW | NW | NW | NW | NW | NW | NW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 41 | 44 | 45 | 45 | 37 | 31 | 42 | 68 | 70 | 75 | 80 | 72 | 64 | 56 | 64 | 71 | 79 | 78 | 78 | 77 | 79 | 82 | 84 | 85 |
| Precipitation Potential (%) | 0 | 0 | 0 | 1 | 31 | 31 | 31 | 31 | 31 | 31 | 72 | 72 | 72 | 72 | 72 | 72 | 56 | 56 | 56 | 56 | 56 | 56 | 31 | 31 |
| Relative Humidity (%) | 97 | 94 | 95 | 97 | 100 | 93 | 88 | 82 | 79 | 77 | 77 | 77 | 79 | 79 | 82 | 82 | 82 | 84 | 88 | 90 | 92 | 93 | 93 | 93 |
| Rain | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Lkly | Chc | Chc |
| Thunder | -- | -- | -- | -- | -- | -- | -- | Chc | Chc | Chc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | SChc | SChc | SChc | SChc | SChc |
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