| Point Forecast: Shelbyville Municipal Airport IN 39.59N 85.8W (Elev. 243 m) |
Last Update: 4:45 am EDT Jul 18, 2026 |
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| Date | 07/18 | 07/19 | ||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 23 | 23 | 23 | 24 | 25 | 27 | 28 | 29 | 30 | 31 | 31 | 31 | 30 | 30 | 28 | 27 | 26 | 24 | 24 | 24 | 23 | 23 | 22 | 21 |
| Dewpoint (°C) | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 20 |
| Heat Index (°C) | 24 | 25 | 31 | 33 | 34 | 36 | 37 | 38 | 37 | 36 | 36 | 33 | 31 | 26 | 24 | 24 | 24 | |||||||
| Surface Wind (mph) | 7 | 7 | 7 | 8 | 9 | 9 | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 11 | 11 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 |
| Wind Dir | WSW | SW | SW | WSW | WSW | W | W | W | W | W | W | W | W | W | W | W | W | NW | NW | NW | NW | NNW | N | N |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 67 | 61 | 58 | 42 | 34 | 16 | 20 | 19 | 16 | 35 | 41 | 41 | 47 | 22 | 30 | 59 | 81 | 91 | 82 | 74 | 70 | 56 | 67 | 27 |
| Precipitation Potential (%) | 6 | 4 | 3 | 9 | 13 | 10 | 11 | 14 | 15 | 22 | 29 | 49 | 55 | 55 | 40 | 74 | 65 | 56 | 42 | 22 | 22 | 1 | 5 | 0 |
| Relative Humidity (%) | 93 | 93 | 97 | 94 | 90 | 82 | 80 | 75 | 72 | 70 | 70 | 72 | 72 | 72 | 80 | 82 | 85 | 94 | 90 | 90 | 90 | 93 | 90 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Lkly | Lkly | Chc | Lkly | Lkly | Lkly | Chc | SChc | SChc | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- |
| Date | 07/20 | |||||||||||||||||||||||
| Hour (EDT) | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 |
| Temperature (°C) | 21 | 21 | 20 | 21 | 22 | 24 | 25 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 24 | 23 | 22 | 21 | 20 | 19 | 19 | 18 |
| Dewpoint (°C) | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 |
| Heat Index (°C) | 24 | 25 | 26 | 29 | 29 | 31 | 30 | 30 | 29 | 28 | 28 | 24 | ||||||||||||
| Surface Wind (mph) | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 |
| Wind Dir | N | N | NNE | NNE | NNE | NE | NE | NE | NNE | NNE | NNE | NNE | NNE | NE | NE | NE | ENE | ENE | ENE | ENE | E | E | E | E |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 43 | 53 | 64 | 53 | 51 | 51 | 57 | 57 | 47 | 50 | 43 | 36 | 37 | 31 | 17 | 12 | 37 | 29 | 20 | 17 | 14 | 11 | 13 | 15 |
| Precipitation Potential (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 90 | 93 | 93 | 90 | 90 | 82 | 79 | 72 | 67 | 65 | 63 | 61 | 61 | 61 | 63 | 67 | 74 | 81 | 84 | 87 | 87 | 90 | 90 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
