| Point Forecast: 4 Miles WSW Rochester IN 41.05N 86.25W (Elev. 774 ft) |
Last Update: 6:02 am EDT May 18, 2026 |
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| Date | 05/18 | 05/19 | ||||||||||||||||||||||
| Hour (EDT) | 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 (°F) | 70 | 70 | 71 | 73 | 76 | 77 | 78 | 81 | 82 | 82 | 82 | 80 | 79 | 79 | 75 | 73 | 72 | 72 | 72 | 71 | 71 | 70 | 70 | 70 |
| Dewpoint (°F) | 58 | 59 | 59 | 61 | 63 | 64 | 66 | 67 | 68 | 68 | 68 | 68 | 68 | 67 | 66 | 66 | 66 | 65 | 64 | 64 | 63 | 63 | 63 | 63 |
| Heat Index (°F) | 76 | 77 | 78 | 83 | 85 | 85 | 85 | 83 | 79 | 79 | 75 | |||||||||||||
| Surface Wind (mph) | 11 | 11 | 13 | 13 | 15 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 15 | 14 | 14 | 11 | 11 | 10 | 10 | 11 | 11 | 13 |
| Wind Dir | S | S | S | S | S | SW | S | SW | SW | SW | SW | SW | S | S | S | S | S | S | S | S | S | S | S | S |
| Gust | 21 | 21 | 22 | 23 | 24 | 25 | 25 | 26 | 28 | 28 | 28 | 26 | 26 | 25 | 23 | 23 | 22 | 21 | 20 | 20 | 20 | 21 | 23 | 23 |
| Sky Cover (%) | 22 | 22 | 27 | 31 | 36 | 45 | 50 | 60 | 73 | 83 | 85 | 85 | 83 | 80 | 78 | 92 | 79 | 85 | 72 | 42 | 34 | 34 | 34 | 32 |
| Precipitation Potential (%) | 0 | 2 | 4 | 7 | 10 | 11 | 21 | 29 | 79 | 78 | 57 | 34 | 24 | 18 | 20 | 19 | 18 | 8 | 12 | 9 | 14 | 14 | 14 | 14 |
| Relative Humidity (%) | 67 | 67 | 66 | 66 | 64 | 64 | 67 | 63 | 63 | 63 | 63 | 67 | 69 | 67 | 74 | 79 | 81 | 79 | 76 | 79 | 76 | 78 | 78 | 78 |
| Rain | -- | -- | -- | -- | -- | -- | SChc | Chc | Ocnl | Ocnl | Lkly | Chc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | SChc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 05/20 | |||||||||||||||||||||||
| Hour (EDT) | 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 (°F) | 69 | 70 | 72 | 74 | 76 | 77 | 80 | 81 | 82 | 81 | 80 | 78 | 77 | 76 | 74 | 72 | 70 | 68 | 66 | 64 | 62 | 60 | 58 | 57 |
| Dewpoint (°F) | 64 | 64 | 64 | 65 | 66 | 68 | 69 | 70 | 70 | 70 | 69 | 70 | 69 | 68 | 67 | 66 | 64 | 62 | 60 | 58 | 56 | 54 | 52 | 50 |
| Heat Index (°F) | 76 | 77 | 83 | 85 | 86 | 85 | 83 | 78 | 77 | 76 | ||||||||||||||
| Surface Wind (mph) | 14 | 15 | 15 | 16 | 17 | 20 | 20 | 20 | 20 | 20 | 18 | 17 | 16 | 14 | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 9 |
| Wind Dir | S | S | S | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | W | W | W | W | NW | NW | NW | NW | NW | N | N |
| Gust | 25 | 25 | 25 | 26 | 28 | 29 | 30 | 30 | 29 | 29 | 28 | 25 | 23 | 21 | ||||||||||
| Sky Cover (%) | 46 | 53 | 47 | 64 | 54 | 58 | 73 | 60 | 73 | 74 | 78 | 76 | 67 | 80 | 89 | 92 | 88 | 83 | 81 | 82 | 83 | 83 | 82 | 78 |
| Precipitation Potential (%) | 14 | 14 | 14 | 6 | 13 | 25 | 30 | 57 | 85 | 85 | 85 | 69 | 69 | 69 | 52 | 52 | 52 | 52 | 52 | 52 | 12 | 12 | 12 | 12 |
| Relative Humidity (%) | 84 | 81 | 76 | 74 | 71 | 74 | 69 | 69 | 67 | 69 | 69 | 76 | 76 | 76 | 79 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 77 |
| Rain | -- | -- | -- | -- | -- | Chc | Chc | Lkly | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- |
