| Point Forecast: 2 Miles NE Petersburg IN 38.51N 87.26W |
Last Update: 7:51 am EDT Aug 16, 2026 |
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| Date | 08/16 | 08/17 | ||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 80 | 81 | 84 | 86 | 88 | 89 | 89 | 91 | 89 | 89 | 88 | 84 | 82 | 80 | 78 | 77 | 76 | 76 | 75 | 75 | 74 | 74 | 73 | 74 |
| Dewpoint (°F) | 73 | 73 | 73 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 75 | 75 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 72 | 72 |
| Heat Index (°F) | 85 | 86 | 90 | 94 | 98 | 99 | 99 | 102 | 99 | 99 | 98 | 91 | 89 | 85 | 78 | 77 | 76 | 76 | 75 | 75 | ||||
| Surface Wind (mph) | 3 | 5 | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 8 | 6 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Wind Dir | WSW | W | WNW | WNW | WSW | SW | WSW | W | W | W | W | NNW | NW | NW | WNW | WNW | WNW | NW | NW | NNW | N | NNW | NW | NW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 49 | 55 | 60 | 60 | 51 | 65 | 61 | 51 | 47 | 55 | 53 | 40 | 56 | 43 | 44 | 52 | 43 | 41 | 51 | 55 | 60 | 66 | 70 | 62 |
| Precipitation Potential (%) | 28 | 28 | 13 | 6 | 7 | 6 | 8 | 10 | 14 | 18 | 20 | 12 | 6 | 6 | 27 | 31 | 22 | 24 | 28 | 34 | 27 | 19 | 13 | 7 |
| Relative Humidity (%) | 78 | 77 | 70 | 68 | 66 | 64 | 64 | 60 | 64 | 64 | 66 | 72 | 79 | 85 | 88 | 90 | 94 | 94 | 97 | 94 | 97 | 97 | 97 | 93 |
| Rain | Chc | Chc | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | -- | -- | -- | Chc | Chc | SChc | SChc | Chc | Chc | Chc | SChc | -- | -- |
| Thunder | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | -- | -- | -- | Chc | Chc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- |
| Date | 08/18 | |||||||||||||||||||||||
| Hour (EDT) | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 |
| Temperature (°F) | 75 | 77 | 80 | 81 | 83 | 84 | 84 | 84 | 85 | 84 | 83 | 80 | 77 | 75 | 73 | 72 | 71 | 70 | 69 | 68 | 68 | 66 | 66 | 66 |
| Dewpoint (°F) | 73 | 73 | 73 | 73 | 72 | 72 | 71 | 71 | 70 | 69 | 69 | 68 | 69 | 69 | 69 | 69 | 68 | 68 | 67 | 67 | 66 | 66 | 66 | 66 |
| Heat Index (°F) | 75 | 77 | 84 | 86 | 88 | 90 | 89 | 89 | 90 | 88 | 87 | 83 | 77 | 75 | ||||||||||
| Surface Wind (mph) | 3 | 3 | 3 | 5 | 5 | 6 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 |
| Wind Dir | NNW | NNW | NNW | NNW | NNW | NW | NW | NNW | NNW | NNW | NNW | N | N | N | N | N | NNE | NNE | NNE | NNE | NNE | NNE | NNE | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 68 | 65 | 66 | 35 | 61 | 51 | 46 | 33 | 25 | 29 | 32 | 48 | 63 | 49 | 34 | 30 | 27 | 23 | 20 | 17 | 14 | 14 | 13 | 13 |
| Precipitation Potential (%) | 2 | 0 | 0 | 0 | 0 | 0 | 6 | 5 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 94 | 87 | 79 | 77 | 70 | 67 | 65 | 65 | 61 | 61 | 63 | 67 | 76 | 82 | 87 | 90 | 90 | 93 | 93 | 97 | 93 | 100 | 100 | 100 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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